Web protection keeps turning off on my Android device
When this happens, Android takes away the accessibility permission for the app, which the web protection feature needs to run. This causes the web protection to turn off and you will get a notification about it.
Applies To: Microsoft Defender on Android
Risks of Allowing Apps Through Windows Firewall - Microsoft Support
Learn about the risks of allowing apps through Windows Firewall, and how to add or remove apps from the list of allowed apps.
February 10, 2026—KB5077181 (OS Builds 26200.7840 and 26100.7840 ...
Microsoft Store apps updates Change log Improvements This security update contains fixes and quality improvements from KB5074109 (released January 13, 2026). KB5077744 (released January 17, 2026), and KB5078127 (released January 24, 2026). The following summary outlines key issues addressed by this update. Also, included are available new features.
Update to enable TLS 1.1 and TLS 1.2 as default secure protocols in ...
This is the case for some Microsoft Office applications when they open documents from a SharePoint library or a Web Folder, IP-HTTPS tunnels for DirectAccess connectivity, and other applications by using technologies such as WebClient by using WebDav, WinRM, and others.
Fix problems that block programs from being installed or removed
If you're having problems with an app you got from Microsoft Store, go to Fix problems with apps from Microsoft Store. The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the ...
部署 Access 应用程序 - Microsoft 支持
这种文件格式可让用户确信:在你将应用程序文件打包后没有人更改过该文件。 可以将此格式应用于默认格式 Access 文件 (.accdb),或应用于 Access 已编译二进制文件 (.accde)。 有关详细信息,请参阅 通过添加数字签名来显示信任。
Applies To: Access for Microsoft 365, Access 2024, Access 2021, Access 2019, Access 2016
Repair apps and programs in Windows - Microsoft Support
This article explains how to repair apps and programs in Windows 11 and use Settings to fix common app issues without reinstalling. You can repair some apps and programs if they're not running correctly.
Signatures are not syncing between Outlook Desktop and Outlook Web App
When you try to create a new signature linked to your own account (cloud signatures), you notice that the newly created signature gets deleted after a while or you may find that the signature does not sync up with Outlook Web App (OWA).
Applies To: Outlook for Microsoft 365, Microsoft365.com, Microsoft Office
Known issues with sensitivity labels in Office - Microsoft Support
This section describes the known issues working with files in Microsoft 365 for the web and emails using Outlook on the web.
Applies To: Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Microsoft365.com, Excel for iPad, Word for iPad, PowerPoint for iPad, Excel for iPhone, Word for iPhone, PowerPoint for iPhone, Word for Android tablets, Excel for Android tablets, PowerPoint for Android tablets, Excel for Android phones, Microsoft Office, PowerPoint for Android phones, Word for Android phones
Make older apps or programs compatible with the latest version of ...
Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.