Microsoft account security info & verification codes
Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).
Applies To: Microsoft account dashboard
Windows 10 and Windows 11 in S mode FAQ - Microsoft Support
To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.
Outlook for Windows - Microsoft
重要: 新版和经典版 Outlook for Windows的步骤可能有所不同。 若要确定所使用的 Outlook 版本,请在功能区上查找 文件。如果没有“文件”选项,请按照“新 Outlook”选项卡下的步骤操作。如果显示“文件”选项,请选择“经典 Outlook”选项卡。
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Office for business, Microsoft 365 admin, New Outlook for Windows
Uninstall Office automatically - Microsoft Support
After you restart your computer, the uninstall tool automatically re-opens to complete the final step of the uninstall process. Follow the remaining prompts.
Using the Windows Activation troubleshooter - Microsoft Support
To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.
Change your account picture - Microsoft Support
Under Adjust your photo, select Choose a file > Browse files to select an existing photo. Or, if your device has a camera, select Take a photo > Open camera and take a new photo
Combine text from two or more cells into one cell
Select the cell you want to combine first. Use commas to separate the cells you are combining and use quotation marks to add spaces, commas, or other text.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Mobile
Word for Windows training - Microsoft Support
Training: Watch and learn how to use Word in Windows. Explore Microsoft Word training guides, articles, and how-to videos.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Office for business
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.