If you're troubleshooting Office and would like to remove the license files on your Mac, you can use the license removal tool. This will completely remove all licenses for Microsoft 365 for Mac.

As used here, “Android user” means a user using Xbox, Game Pass, Xbox Family Settings and Xbox Events for Android, and “iOS/iPadOS user” means a user using Xbox, Game Pass, Xbox Family Settings and Xbox Events for iOS or iPadOS.

Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and ...

Microsoft Support

Microsoft Support

Microsoft Support

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5072033), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

Xbox Support ... Xbox Support

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

如果在 iOS 设备上启用了 iCloud，则如果照片或视频存在于 iCloud 上，但设备上不存在，则可能无法下载这些照片或视频。 如果要打开这些照片或视频或将这些视频导入电脑，请使用 iCloud for Windows。