Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Windows activity history and your privacy - Microsoft Support
Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.
Applies To: Microsoft account dashboard
Create and print a single envelope - Microsoft Support
Add a delivery and return address to a single envelope, set printer options, adjust for envelope size, and save or print.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Word 2013
Add or subtract dates - Microsoft Support
Add or subtract days, months, or years from a date by using a formula or date functions in Excel.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
配置 Windows Hello - Microsoft 支持
了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。
View your PC info - Microsoft Support
Learn how to view your PC information on Windows with Microsoft Support's step-by-step guide.
Change your background in Microsoft Teams meetings
Explore tips to change your Microsoft Teams background. Learn how to replace, blur, or change your Teams background image before or during a meeting.
Applies To: Microsoft Teams
Unlink and re-link OneDrive - Microsoft Support
Learn how to reset or move OneDrive by unlinking and re-linking your PC.
Applies To: OneDrive for Business, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Find and open File Explorer - Microsoft Support
Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.
Open and find items in an Outlook Data File (.pst)
Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Add an app to run automatically at startup in Windows 10
Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.