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Recovery options in Windows

Select Start > Settings > Windows Update > Update history > Uninstall updates . View update history, On the list that appears, select update you want to remove, and then select Uninstall. Reset your PC,

How to revert to an earlier version of Office

To do this, click Start, type cmd in the Start Search box, right-click cmd.exe, and then click Run as administrator. Switch to the file location for the Setup.exe and Config.xml files. Start an Office application (such as Excel), and then select File > Account. In the Product Information section, select Update Options > Update Now .
Applies To: Microsoft 365

How to restore a Windows 7-based computer to a previous Windows installation by using the Windows.old folder

You must backup and restore or transfer your files to the previous operating system. Right-click the Windows.old folder. Windows 7 will determine the size of the folder after several seconds. Determine whether the Windows.old folder is smaller than the free space that is available for Local Disk (C:) in step 1.2.

Go back to Windows 8.1

Note: The option to go back to your previous version of Windows is available only for a limited time following the upgrade (10 days, in most cases). Select the Start button > Settings > Update & Security > Recovery . Under Go back to the previous version of Windows 10, Go back to Windows 8.1, select Get started .

Delete your previous version of Windows

In the search box on the taskbar, type settings, then choose it from the list of results. Select System > Storage > This PC and then scroll down the list and choose Temporary files. Under Remove temporary files, select the Previous version of Windows check box and then choose Remove files. Open Storage Settings, SUBSCRIBE RSS FEEDS, Need more help?

Restore a previous version of a file without unwanted changes

Quick steps: For a file stored in OneDrive or a SharePoint Online library, you can go back to an earlier version of the file and restore it. Open the file you want to restore and go to File > Info. If the file has previous versions, you'll see a button called Version History. Select it to open the pane. Select a version to view it.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac

Update for Microsoft Defender antimalware platform (KB4052623)

Windows 10, version 1607, version 1703, and later versions Open the Microsoft Defender app, select Help, and then select About. The version number is listed under Antimalware Client Version. ... To roll back this update to the previous version, run the following command:

Undo, redo, or repeat an action

Tip: If you're not able to undo the changes you wish to revert, you may be able to restore a previous version of the file. See Restore a previous version of a file in OneDrive or OneDrive for Business.
Applies To: SharePoint in Microsoft 365, Microsoft 365, Microsoft Teams

Recover an earlier version of a Word file

Open the file you were working on. Click File > Info. Under Manage Documents, select the file labeled (when I closed without saving). In the bar at the top of the file, select Restore to overwrite any previously saved versions. Tip: You can also compare versions by selecting Compare instead of Restore. If you haven’t saved the file,
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016
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