February 10, 2026—KB5077181 (OS Builds 26200.7840 and 26100.7840 ...
This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release.
View digital signature and certificate details - Microsoft Support
See how to view the details for signatures and certificates.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2024, PowerPoint 2024, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Xbox Support
Xbox Support ... Xbox Support
Add or remove an Xbox profile | Xbox Support
Learn how to add or remove accounts on Xbox One with step-by-step instructions and troubleshooting tips.
Restrict access to documents with Information Rights Management in Word
To use IRM in Microsoft 365, the minimum required software is Windows Rights Management Services (RMS) Client Service Pack 1 (SP1). The RMS administrator can configure company-specific IRM policies that define who can access information and what level of editing is permitted for an e-mail message.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2024 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2016, Word for iPad, Word for iPhone, Word for Android tablets, Word for Android phones
How to add and change an email signature in Outlook
This article covers signature creation for new Outlook for Windows, classic Outlook for Windows, Outlook on the web, and Outlook.com For Outlook on the Mac, go to Create, insert, or change a signature in Outlook for Mac .
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Outlook on the web, Outlook.com, Microsoft Office, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Uninstall Microsoft 365 or Office from a PC - Microsoft Support
Run the troubleshooter on the same Windows PC with the Microsoft 365 or Office product you want to uninstall. You need to be on Windows 10 or higher to run the troubleshooter.
Applies To:
Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Fix problems that block programs from being installed or removed
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11.
Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Remove a watermark - Microsoft Support
Remove watermarks or backgrounds from your documents. Select Design > Watermark. Select Remove Watermark. Remove a watermark by clicking the header area If you can't delete a watermark using Remove Watermark, try this: Double-click near the top of the page to open the header area. Put your cursor over the watermark until you see a 4-way arrow. Select the watermark. Press the Delete key on your ...
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2024, Word 2024 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2016