Change your profile picture in Microsoft Teams
Select your profile picture at the top right of Teams. When your account manager opens, select your profile picture again.
Applies To:
Microsoft Teams
Modifier l’image d’arrière-plan du Bureau - Support Microsoft
Remarque : Si vous ne pouvez pas sélectionner l’option Windows à la une, votre administrateur a peut-être désactivé la fonctionnalité ou vous n’avez peut-être pas encore obtenu la mise à jour. Cette fonctionnalité est déployée sur une période donnée.Pour plus d’informations, consultez Quand obtenir les fonctionnalités les plus récentes de Microsoft 365 ?.
Recall or replace a sent email - Microsoft Support
Note: If you selected Delete unread copies and replace with a new message, the original message opens for editing.When you select Send, the original email message will be deleted from the recipient’s mailbox and replaced with the newly edited one.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016
欢迎使用 Windows
获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。
Change your background in Microsoft Teams meetings
If you want to change what appears behind you in your video meeting or call, you can either blur your background, replace it entirely with any image you want, or use Teams virtual background template.And with a Teams Premium license, you can change your Teams meeting background to a branded logo or image specific to your company.
Applies To:
Microsoft Teams
Restore deleted files or folders in OneDrive - Microsoft Support
If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Calculate the difference between two times - Microsoft Support
On the Home tab, in the Number group, click the arrow next to the General box, and then click More Number Formats.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Delete files or folders in OneDrive - Microsoft Support
Open the Shared view, and select the files or folders you want to remove by pointing to each item and clicking the circle check box that appears.. To remove an item shared by other users, select the item, then select Remove from shared list on the bar at the top of the page.. To remove an item from Shared by me, select the item, select Information in the upper-right corner to open the Details ...
Applies To:
OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Change TCP/IP settings - Microsoft Support
TCP/IP defines how your PC communicates with other PCs. To make it easier to manage TCP/IP settings, we recommend using automated Dynamic Host Configuration Protocol (DHCP).
Windows 11 and Secure Boot - Microsoft Support
Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.