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Recover an earlier version of an Office file - Microsoft Support
If the AutoRecover option is turned on, you can automatically save versions of your file while you’re working on it. How you recover something depends on when you saved it. If you’ve saved the file. Open the file you were working on.
Applies To: Excel for Microsoft 365, PowerPoint for Microsoft 365, Excel 2021, PowerPoint 2021, Excel 2019, PowerPoint 2019, Excel 2016, PowerPoint 2016
Help in Disk Management - Microsoft Support
Disk Management in Windows helps you perform advanced storage tasks like initializing a new drive and extending or shrinking volumes.
Troubleshoot problems with Microsoft Authenticator
Tips: If you're using mobile data, try switching to Wi-Fi and vice-versa. Make sure Airplane mode is off.
DirectX - Microsoft
DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是,你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏,你可能会收到错误消息“无法启动此程序,因为计算机中丢失 d3dx9_35.dll。
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Reactions in Microsoft Outlook - Microsoft Support
If you've received any reactions in the previous day or so, you'll get a digest email that summarizes the reactions you've received. You can unsubscribe from the digest email if you'd prefer not to receive it.
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2016, Microsoft 365 admin, Outlook on the web, Microsoft 365 Apps for business, New Outlook for Windows, Outlook for Android, Outlook for iOS
Lync - Microsoft
只要按一下標題下方的下拉式箭號,然後選取您要新增的 Web Apps 即可。 ... 例如,如果系統管理員將聊天室類別的範圍設定為 contoso.com,則可將 Contoso 的任何群組或使用者加入為該子類別聊天室的成員。 如果將範圍設定為「業務組」,則僅可將這個通訊群組清單 ...
Applies To: Lync 2013
Deprecation of Microsoft Support Diagnostic Tool (MSDT) and MSDT ...
Devices running Windows 11 version 22H2 and older. If you're running Windows 11 version 22H2 and older, Windows 10, Windows 8.1, Windows 7 or any other earlier OS version, your device will not be affected by the MSDT Troubleshooter retirement.
Update Microsoft Teams - Microsoft Support
When an update is available in the Teams desktop app, it'll appear at the top of your Teams window. To update, select Update > Update and restart Teams .. Teams will automatically close and update.
Applies To: Microsoft Teams
Change your default browser in Windows - Microsoft Support
Use the Windows Settings app to change your default browser.