diff --git a/packages/next/src/views/Edit/Default/index.tsx b/packages/next/src/views/Edit/Default/index.tsx
index 3763e2c11f..0227c0a75b 100644
--- a/packages/next/src/views/Edit/Default/index.tsx
+++ b/packages/next/src/views/Edit/Default/index.tsx
@@ -17,7 +17,13 @@ import {
   useEditDepth,
   useUploadEdits,
 } from '@payloadcms/ui'
-import { formatAdminURL, getFormState } from '@payloadcms/ui/shared'
+import {
+  formatAdminURL,
+  getFormState,
+  handleBackToDashboard,
+  handleGoBack,
+  handleTakeOver,
+} from '@payloadcms/ui/shared'
 import { useRouter, useSearchParams } from 'next/navigation.js'
 import React, { Fragment, useCallback, useEffect, useRef, useState } from 'react'
 
@@ -151,89 +157,6 @@ export const DefaultEditView: React.FC = () => {
     return false
   })
 
-  const handleTakeOver = useCallback(() => {
-    if (!isLockingEnabled) {
-      return
-    }
-
-    try {
-      // Call updateDocumentEditor to update the document's owner to the current user
-      void updateDocumentEditor(id, collectionSlug ?? globalSlug, user)
-
-      documentLockStateRef.current.hasShownLockedModal = true
-
-      // Update the locked state to reflect the current user as the owner
-      documentLockStateRef.current = {
-        hasShownLockedModal: documentLockStateRef.current?.hasShownLockedModal,
-        isLocked: true,
-        user,
-      }
-      setCurrentEditor(user)
-    } catch (error) {
-      // eslint-disable-next-line no-console
-      console.error('Error during document takeover:', error)
-    }
-  }, [
-    updateDocumentEditor,
-    id,
-    collectionSlug,
-    globalSlug,
-    user,
-    setCurrentEditor,
-    isLockingEnabled,
-  ])
-
-  const handleTakeOverWithinDoc = useCallback(() => {
-    if (!isLockingEnabled) {
-      return
-    }
-
-    try {
-      // Call updateDocumentEditor to update the document's owner to the current user
-      void updateDocumentEditor(id, collectionSlug ?? globalSlug, user)
-
-      // Update the locked state to reflect the current user as the owner
-      documentLockStateRef.current = {
-        hasShownLockedModal: documentLockStateRef.current?.hasShownLockedModal,
-        isLocked: true,
-        user,
-      }
-      setCurrentEditor(user)
-
-      // Ensure the document is editable for the incoming user
-      setIsReadOnlyForIncomingUser(false)
-    } catch (error) {
-      // eslint-disable-next-line no-console
-      console.error('Error during document takeover:', error)
-    }
-  }, [
-    updateDocumentEditor,
-    id,
-    collectionSlug,
-    globalSlug,
-    user,
-    setCurrentEditor,
-    isLockingEnabled,
-  ])
-
-  const handleGoBack = useCallback(() => {
-    const redirectRoute = formatAdminURL({
-      adminRoute,
-      path: collectionSlug ? `/collections/${collectionSlug}` : '/',
-    })
-    router.push(redirectRoute)
-  }, [adminRoute, collectionSlug, router])
-
-  const handleBackToDashboard = useCallback(() => {
-    setShowTakeOverModal(false)
-    const redirectRoute = formatAdminURL({
-      adminRoute,
-      path: '/',
-    })
-
-    router.push(redirectRoute)
-  }, [adminRoute, router])
-
   const onSave = useCallback(
     (json) => {
       reportUpdate({
@@ -373,7 +296,19 @@ export const DefaultEditView: React.FC = () => {
         return
       }
 
-      if ((id || globalSlug) && documentIsLocked) {
+      const currentPath = window.location.pathname
+
+      const documentId = id || globalSlug
+
+      // Routes where we do NOT want to unlock the document
+      const stayWithinDocumentPaths = ['preview', 'api', 'versions']
+
+      const isStayingWithinDocument = stayWithinDocumentPaths.some((path) =>
+        currentPath.includes(path),
+      )
+
+      // Unlock the document only if we're actually navigating away from the document
+      if (documentId && documentIsLocked && !isStayingWithinDocument) {
         // Check if this user is still the current editor
         if (documentLockStateRef.current?.user?.id === user.id) {
           void unlockDocument(id, collectionSlug ?? globalSlug)
@@ -421,20 +356,32 @@ export const DefaultEditView: React.FC = () => {
           {BeforeDocument}
           {isLockingEnabled && shouldShowDocumentLockedModal && !isReadOnlyForIncomingUser && (
             <DocumentLocked
-              handleGoBack={handleGoBack}
+              handleGoBack={() => handleGoBack({ adminRoute, collectionSlug, router })}
               isActive={shouldShowDocumentLockedModal}
               onReadOnly={() => {
                 setIsReadOnlyForIncomingUser(true)
                 setShowTakeOverModal(false)
               }}
-              onTakeOver={handleTakeOver}
+              onTakeOver={() =>
+                handleTakeOver(
+                  id,
+                  collectionSlug,
+                  globalSlug,
+                  user,
+                  false,
+                  updateDocumentEditor,
+                  setCurrentEditor,
+                  documentLockStateRef,
+                  isLockingEnabled,
+                )
+              }
               updatedAt={lastUpdateTime}
               user={currentEditor}
             />
           )}
           {isLockingEnabled && showTakeOverModal && (
             <DocumentTakeOver
-              handleBackToDashboard={handleBackToDashboard}
+              handleBackToDashboard={() => handleBackToDashboard({ adminRoute, router })}
               isActive={showTakeOverModal}
               onReadOnly={() => {
                 setIsReadOnlyForIncomingUser(true)
@@ -469,7 +416,20 @@ export const DefaultEditView: React.FC = () => {
             onDrawerCreate={onDrawerCreate}
             onDuplicate={onDuplicate}
             onSave={onSave}
-            onTakeOver={handleTakeOverWithinDoc}
+            onTakeOver={() =>
+              handleTakeOver(
+                id,
+                collectionSlug,
+                globalSlug,
+                user,
+                true,
+                updateDocumentEditor,
+                setCurrentEditor,
+                documentLockStateRef,
+                isLockingEnabled,
+                setIsReadOnlyForIncomingUser,
+              )
+            }
             permissions={docPermissions}
             readOnlyForIncomingUser={isReadOnlyForIncomingUser}
             redirectAfterDelete={redirectAfterDelete}
@@ -494,6 +454,7 @@ export const DefaultEditView: React.FC = () => {
                       requirePassword={!id}
                       setSchemaPath={setSchemaPath}
                       setValidateBeforeSubmit={setValidateBeforeSubmit}
+                      // eslint-disable-next-line react-compiler/react-compiler
                       useAPIKey={auth.useAPIKey}
                       username={data?.username}
                       verify={auth.verify}
diff --git a/packages/next/src/views/LivePreview/index.client.tsx b/packages/next/src/views/LivePreview/index.client.tsx
index adb2e7dfcd..c99199e5a8 100644
--- a/packages/next/src/views/LivePreview/index.client.tsx
+++ b/packages/next/src/views/LivePreview/index.client.tsx
@@ -5,6 +5,7 @@ import type {
   ClientConfig,
   ClientField,
   ClientGlobalConfig,
+  ClientUser,
   Data,
   LivePreviewConfig,
 } from 'payload'
@@ -21,9 +22,17 @@ import {
   useDocumentInfo,
   useTranslation,
 } from '@payloadcms/ui'
-import { getFormState } from '@payloadcms/ui/shared'
-import React, { Fragment, useCallback } from 'react'
+import {
+  getFormState,
+  handleBackToDashboard,
+  handleGoBack,
+  handleTakeOver,
+} from '@payloadcms/ui/shared'
+import { useRouter } from 'next/navigation.js'
+import React, { Fragment, useCallback, useEffect, useRef, useState } from 'react'
 
+import { DocumentLocked } from '../../elements/DocumentLocked/index.js'
+import { DocumentTakeOver } from '../../elements/DocumentTakeOver/index.js'
 import { LeaveWithoutSaving } from '../../elements/LeaveWithoutSaving/index.js'
 import { SetDocumentStepNav } from '../Edit/Default/SetDocumentStepNav/index.js'
 import { SetDocumentTitle } from '../Edit/Default/SetDocumentTitle/index.js'
@@ -63,9 +72,11 @@ const PreviewView: React.FC<Props> = ({
     BeforeDocument,
     BeforeFields,
     collectionSlug,
+    currentEditor,
     disableActions,
     disableLeaveWithoutSaving,
     docPermissions,
+    documentIsLocked,
     getDocPreferences,
     globalSlug,
     hasPublishPermission,
@@ -75,6 +86,10 @@ const PreviewView: React.FC<Props> = ({
     isEditing,
     isInitializing,
     onSave: onSaveFromProps,
+    setCurrentEditor,
+    setDocumentIsLocked,
+    unlockDocument,
+    updateDocumentEditor,
   } = useDocumentInfo()
 
   const operation = id ? 'update' : 'create'
@@ -82,13 +97,36 @@ const PreviewView: React.FC<Props> = ({
   const {
     config: {
       admin: { user: userSlug },
+      routes: { admin: adminRoute },
     },
   } = useConfig()
+  const router = useRouter()
   const { t } = useTranslation()
   const { previewWindowType } = useLivePreviewContext()
   const { refreshCookieAsync, user } = useAuth()
   const { reportUpdate } = useDocumentEvents()
 
+  const docConfig = collectionConfig || globalConfig
+
+  const lockDocumentsProp = docConfig?.lockDocuments !== undefined ? docConfig?.lockDocuments : true
+
+  const isLockingEnabled = lockDocumentsProp !== false
+
+  const [isReadOnlyForIncomingUser, setIsReadOnlyForIncomingUser] = useState(false)
+  const [showTakeOverModal, setShowTakeOverModal] = useState(false)
+
+  const documentLockStateRef = useRef<{
+    hasShownLockedModal: boolean
+    isLocked: boolean
+    user: ClientUser
+  } | null>({
+    hasShownLockedModal: false,
+    isLocked: false,
+    user: null,
+  })
+
+  const [lastUpdateTime, setLastUpdateTime] = useState(Date.now())
+
   const onSave = useCallback(
     (json) => {
       reportUpdate({
@@ -103,6 +141,11 @@ const PreviewView: React.FC<Props> = ({
         void refreshCookieAsync()
       }
 
+      // Unlock the document after save
+      if ((id || globalSlug) && isLockingEnabled) {
+        setDocumentIsLocked(false)
+      }
+
       if (typeof onSaveFromProps === 'function') {
         void onSaveFromProps({
           ...json,
@@ -110,47 +153,194 @@ const PreviewView: React.FC<Props> = ({
         })
       }
     },
-    [collectionSlug, id, onSaveFromProps, refreshCookieAsync, reportUpdate, user, userSlug],
+    [
+      collectionSlug,
+      globalSlug,
+      id,
+      isLockingEnabled,
+      onSaveFromProps,
+      refreshCookieAsync,
+      reportUpdate,
+      setDocumentIsLocked,
+      user,
+      userSlug,
+    ],
   )
 
   const onChange: FormProps['onChange'][0] = useCallback(
     async ({ formState: prevFormState }) => {
+      const currentTime = Date.now()
+      const timeSinceLastUpdate = currentTime - lastUpdateTime
+
+      const updateLastEdited = isLockingEnabled && timeSinceLastUpdate >= 10000 // 10 seconds
+
+      if (updateLastEdited) {
+        setLastUpdateTime(currentTime)
+      }
+
       const docPreferences = await getDocPreferences()
 
-      const { state } = await getFormState({
+      const { lockedState, state } = await getFormState({
         apiRoute,
         body: {
           id,
+          collectionSlug,
           docPreferences,
           formState: prevFormState,
+          globalSlug,
           operation,
+          returnLockStatus: isLockingEnabled ? true : false,
           schemaPath,
+          updateLastEdited,
         },
         serverURL,
       })
 
+      setDocumentIsLocked(true)
+
+      if (isLockingEnabled) {
+        const previousOwnerId = documentLockStateRef.current?.user?.id
+
+        if (lockedState) {
+          if (!documentLockStateRef.current || lockedState.user.id !== previousOwnerId) {
+            if (previousOwnerId === user.id && lockedState.user.id !== user.id) {
+              setShowTakeOverModal(true)
+              documentLockStateRef.current.hasShownLockedModal = true
+            }
+
+            documentLockStateRef.current = documentLockStateRef.current = {
+              hasShownLockedModal: documentLockStateRef.current?.hasShownLockedModal || false,
+              isLocked: true,
+              user: lockedState.user,
+            }
+            setCurrentEditor(lockedState.user)
+          }
+        }
+      }
+
       return state
     },
-    [serverURL, apiRoute, id, operation, schemaPath, getDocPreferences],
+    [
+      collectionSlug,
+      globalSlug,
+      serverURL,
+      apiRoute,
+      id,
+      isLockingEnabled,
+      lastUpdateTime,
+      operation,
+      schemaPath,
+      getDocPreferences,
+      setCurrentEditor,
+      setDocumentIsLocked,
+      user,
+    ],
   )
 
+  // Clean up when the component unmounts or when the document is unlocked
+  useEffect(() => {
+    return () => {
+      if (!isLockingEnabled) {
+        return
+      }
+
+      const currentPath = window.location.pathname
+
+      const documentId = id || globalSlug
+
+      // Routes where we do NOT want to unlock the document
+      const stayWithinDocumentPaths = ['preview', 'api', 'versions']
+
+      const isStayingWithinDocument = stayWithinDocumentPaths.some((path) =>
+        currentPath.includes(path),
+      )
+
+      // Unlock the document only if we're actually navigating away from the document
+      if (documentId && documentIsLocked && !isStayingWithinDocument) {
+        // Check if this user is still the current editor
+        if (documentLockStateRef.current?.user?.id === user.id) {
+          void unlockDocument(id, collectionSlug ?? globalSlug)
+          setDocumentIsLocked(false)
+          setCurrentEditor(null)
+        }
+      }
+
+      setShowTakeOverModal(false)
+    }
+  }, [
+    collectionSlug,
+    globalSlug,
+    id,
+    unlockDocument,
+    user.id,
+    setCurrentEditor,
+    isLockingEnabled,
+    documentIsLocked,
+    setDocumentIsLocked,
+  ])
+
+  const shouldShowDocumentLockedModal =
+    documentIsLocked &&
+    currentEditor &&
+    currentEditor.id !== user.id &&
+    !isReadOnlyForIncomingUser &&
+    !showTakeOverModal &&
+    // eslint-disable-next-line react-compiler/react-compiler
+    !documentLockStateRef.current?.hasShownLockedModal
+
   return (
     <OperationProvider operation={operation}>
       <Form
         action={action}
         className={`${baseClass}__form`}
-        disabled={!hasSavePermission}
+        disabled={isReadOnlyForIncomingUser || !hasSavePermission}
         initialState={initialState}
         isInitializing={isInitializing}
         method={id ? 'PATCH' : 'POST'}
         onChange={[onChange]}
         onSuccess={onSave}
       >
+        {isLockingEnabled && shouldShowDocumentLockedModal && !isReadOnlyForIncomingUser && (
+          <DocumentLocked
+            handleGoBack={() => handleGoBack({ adminRoute, collectionSlug, router })}
+            isActive={shouldShowDocumentLockedModal}
+            onReadOnly={() => {
+              setIsReadOnlyForIncomingUser(true)
+              setShowTakeOverModal(false)
+            }}
+            onTakeOver={() =>
+              handleTakeOver(
+                id,
+                collectionSlug,
+                globalSlug,
+                user,
+                false,
+                updateDocumentEditor,
+                setCurrentEditor,
+                documentLockStateRef,
+                isLockingEnabled,
+              )
+            }
+            updatedAt={lastUpdateTime}
+            user={currentEditor}
+          />
+        )}
+        {isLockingEnabled && showTakeOverModal && (
+          <DocumentTakeOver
+            handleBackToDashboard={() => handleBackToDashboard({ adminRoute, router })}
+            isActive={showTakeOverModal}
+            onReadOnly={() => {
+              setIsReadOnlyForIncomingUser(true)
+              setShowTakeOverModal(false)
+            }}
+          />
+        )}
         {((collectionConfig &&
           !(collectionConfig.versions?.drafts && collectionConfig.versions?.drafts?.autosave)) ||
           (globalConfig &&
             !(globalConfig.versions?.drafts && globalConfig.versions?.drafts?.autosave))) &&
-          !disableLeaveWithoutSaving && <LeaveWithoutSaving />}
+          !disableLeaveWithoutSaving &&
+          !isReadOnlyForIncomingUser && <LeaveWithoutSaving />}
         <SetDocumentStepNav
           collectionSlug={collectionSlug}
           globalLabel={globalConfig?.label}
@@ -174,8 +364,24 @@ const PreviewView: React.FC<Props> = ({
           hasSavePermission={hasSavePermission}
           id={id}
           isEditing={isEditing}
+          onTakeOver={() =>
+            handleTakeOver(
+              id,
+              collectionSlug,
+              globalSlug,
+              user,
+              true,
+              updateDocumentEditor,
+              setCurrentEditor,
+              documentLockStateRef,
+              isLockingEnabled,
+              setIsReadOnlyForIncomingUser,
+            )
+          }
           permissions={docPermissions}
+          readOnlyForIncomingUser={isReadOnlyForIncomingUser}
           slug={collectionConfig?.slug || globalConfig?.slug}
+          user={currentEditor}
         />
         <div
           className={[baseClass, previewWindowType === 'popup' && `${baseClass}--detached`]
@@ -197,7 +403,7 @@ const PreviewView: React.FC<Props> = ({
               docPermissions={docPermissions}
               fields={fields}
               forceSidebarWrap
-              readOnly={!hasSavePermission}
+              readOnly={isReadOnlyForIncomingUser || !hasSavePermission}
               schemaPath={collectionSlug || globalSlug}
             />
             {AfterDocument}
diff --git a/packages/ui/src/elements/DocumentControls/index.tsx b/packages/ui/src/elements/DocumentControls/index.tsx
index d79be9efcd..b81fadff44 100644
--- a/packages/ui/src/elements/DocumentControls/index.tsx
+++ b/packages/ui/src/elements/DocumentControls/index.tsx
@@ -235,7 +235,7 @@ export const DocumentControls: React.FC<{
               <Button
                 buttonStyle="secondary"
                 id="take-over"
-                onClick={() => void onTakeOver()}
+                onClick={onTakeOver}
                 size="medium"
                 type="button"
               >
diff --git a/packages/ui/src/exports/shared/index.ts b/packages/ui/src/exports/shared/index.ts
index 13936e1856..2929bb386d 100644
--- a/packages/ui/src/exports/shared/index.ts
+++ b/packages/ui/src/exports/shared/index.ts
@@ -20,5 +20,8 @@ export {
   type Group,
   groupNavItems,
 } from '../../utilities/groupNavItems.js'
+export { handleBackToDashboard } from '../../utilities/handleBackToDashboard.js'
+export { handleGoBack } from '../../utilities/handleGoBack.js'
+export { handleTakeOver } from '../../utilities/handleTakeOver.js'
 export { hasSavePermission } from '../../utilities/hasSavePermission.js'
 export { isEditing } from '../../utilities/isEditing.js'
diff --git a/packages/ui/src/utilities/handleBackToDashboard.tsx b/packages/ui/src/utilities/handleBackToDashboard.tsx
new file mode 100644
index 0000000000..fbc40f1287
--- /dev/null
+++ b/packages/ui/src/utilities/handleBackToDashboard.tsx
@@ -0,0 +1,16 @@
+import type { AppRouterInstance } from 'next/dist/shared/lib/app-router-context.shared-runtime.js'
+
+import { formatAdminURL } from './formatAdminURL.js'
+
+type BackToDashboardProps = {
+  adminRoute: string
+  router: AppRouterInstance
+}
+
+export const handleBackToDashboard = ({ adminRoute, router }: BackToDashboardProps) => {
+  const redirectRoute = formatAdminURL({
+    adminRoute,
+    path: '/',
+  })
+  router.push(redirectRoute)
+}
diff --git a/packages/ui/src/utilities/handleGoBack.tsx b/packages/ui/src/utilities/handleGoBack.tsx
new file mode 100644
index 0000000000..da51b745a1
--- /dev/null
+++ b/packages/ui/src/utilities/handleGoBack.tsx
@@ -0,0 +1,17 @@
+import type { AppRouterInstance } from 'next/dist/shared/lib/app-router-context.shared-runtime.js'
+
+import { formatAdminURL } from './formatAdminURL.js'
+
+type GoBackProps = {
+  adminRoute: string
+  collectionSlug: string
+  router: AppRouterInstance
+}
+
+export const handleGoBack = ({ adminRoute, collectionSlug, router }: GoBackProps) => {
+  const redirectRoute = formatAdminURL({
+    adminRoute,
+    path: collectionSlug ? `/collections/${collectionSlug}` : '/',
+  })
+  router.push(redirectRoute)
+}
diff --git a/packages/ui/src/utilities/handleTakeOver.tsx b/packages/ui/src/utilities/handleTakeOver.tsx
new file mode 100644
index 0000000000..19eddcaa5e
--- /dev/null
+++ b/packages/ui/src/utilities/handleTakeOver.tsx
@@ -0,0 +1,47 @@
+import type { ClientUser } from 'payload'
+
+export const handleTakeOver = (
+  id: number | string,
+  collectionSlug: string,
+  globalSlug: string,
+  user: ClientUser,
+  isWithinDoc: boolean,
+  updateDocumentEditor: (docId: number | string, slug: string, user: ClientUser) => Promise<void>,
+  setCurrentEditor: (value: React.SetStateAction<ClientUser>) => void,
+  documentLockStateRef: React.RefObject<{
+    hasShownLockedModal: boolean
+    isLocked: boolean
+    user: ClientUser
+  }>,
+  isLockingEnabled: boolean,
+  setIsReadOnlyForIncomingUser?: (value: React.SetStateAction<boolean>) => void,
+): void => {
+  if (!isLockingEnabled) {
+    return
+  }
+
+  try {
+    // Call updateDocumentEditor to update the document's owner to the current user
+    void updateDocumentEditor(id, collectionSlug ?? globalSlug, user)
+
+    if (!isWithinDoc) {
+      documentLockStateRef.current.hasShownLockedModal = true
+    }
+
+    // Update the locked state to reflect the current user as the owner
+    documentLockStateRef.current = {
+      hasShownLockedModal: documentLockStateRef.current?.hasShownLockedModal,
+      isLocked: true,
+      user,
+    }
+    setCurrentEditor(user)
+
+    // If this is a takeover within the document, ensure the document is editable
+    if (isWithinDoc && setIsReadOnlyForIncomingUser) {
+      setIsReadOnlyForIncomingUser(false)
+    }
+  } catch (error) {
+    // eslint-disable-next-line no-console
+    console.error('Error during document takeover:', error)
+  }
+}
diff --git a/test/locked-documents/e2e.spec.ts b/test/locked-documents/e2e.spec.ts
index 857852e2a4..0ca07c04cb 100644
--- a/test/locked-documents/e2e.spec.ts
+++ b/test/locked-documents/e2e.spec.ts
@@ -292,6 +292,51 @@ describe('locked documents', () => {
 
       expect(unlockedDocs.docs.length).toBe(0)
     })
+
+    test('should keep document locked when navigating to other tabs i.e. api', async () => {
+      await page.goto(postsUrl.edit(postDoc.id))
+      await page.waitForURL(postsUrl.edit(postDoc.id))
+
+      const textInput = page.locator('#field-text')
+      await textInput.fill('testing tab navigation...')
+
+      // eslint-disable-next-line payload/no-wait-function
+      await wait(500)
+
+      const lockedDocs = await payload.find({
+        collection: lockedDocumentCollection,
+        limit: 1,
+        pagination: false,
+        where: {
+          'document.value': { equals: postDoc.id },
+        },
+      })
+
+      expect(lockedDocs.docs.length).toBe(1)
+
+      await page.locator('li[aria-label="API"] a').click()
+
+      // Locate the modal container
+      const modalContainer = page.locator('.payload__modal-container')
+      await expect(modalContainer).toBeVisible()
+
+      // Click the "Leave anyway" button
+      await page.locator('.leave-without-saving__controls .btn--style-primary').click()
+
+      // eslint-disable-next-line payload/no-wait-function
+      await wait(500)
+
+      const unlockedDocs = await payload.find({
+        collection: lockedDocumentCollection,
+        limit: 1,
+        pagination: false,
+        where: {
+          'document.value': { equals: postDoc.id },
+        },
+      })
+
+      expect(unlockedDocs.docs.length).toBe(1)
+    })
   })
 
   describe('document locking - incoming user', () => {