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.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
If you still don't see an option to install Microsoft 365 on the Microsoft 365 Software page, it's possible your admin hasn't assigned a license to you. Find out if you have a license to install Microsoft 365. If you're a student or teacher and your institution didn't give you a license, find out if you're eligible to Get Microsoft 365 for free.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Change screen brightness in Windows - Microsoft Support
If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. In the search box on the taskbar, type Device Manager, and then select Device Manager from the list of results. In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the ...
Manage website notifications in Microsoft Edge
Website notifications appear in the lower right corner of your screen and are also displayed in the Notification Center.When notifications are turned on for a website, they will still appear even if Microsoft Edge is closed.
Applies To: Microsoft account dashboard
Disk cleanup in Windows - Microsoft Support
Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.
在Microsoft Edge浏览器中使用Microsoft 翻译工具 - Microsoft 支持
如果在设置中打开用与首选语言不同的语言编写的页面,Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时,“翻译”图标 显示在地址栏中。 如果语言未包含在设置中的首选语言列表中,则该语言被视为外在语言。
Applies To: Microsoft Edge
Creating and using a USB recovery drive for Surface
If the USB recovery drive doesn’t work on your Surface. If you can’t boot from your USB recovery drive or don’t see the Recover from a drive option, you may need to ensure that the boot-from-USB function in the Surface BIOS is enabled or configure the boot order so the USB drive is the first option. For more info, see Boot Surface from a USB device.
Surface touchpad use and settings - Microsoft Support
Note: To keep accidental touches from making the cursor jump while you’re typing, you can set the delay before taps work, turn taps off, or turn the touchpad off.To learn how, see Change the touchpad settings.
CONVERT function - Microsoft Support
"T" giga. 1E+09 "G" mega. 1E+06 "M" kilo. 1E+03 "k" hecto. 1E+02 "h" dekao. 1E+01 "da" or "e" deci. 1E-01 "d" centi. 1E-02 "c" milli. 1E-03 "m" micro. 1E-06 "u" nano. 1E-09 "n" pico. 1E-12 "p" femto. 1E-15 "f" atto. 1E-18 "a" zepto. 1E-21 "z" yocto. 1E-24 "y" Binary Prefix. Prefix Value. Abbreviation. Derived from. yobi. 2^80 = 1 208 925 819 ...
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
Give your PC a Fresh Start - Microsoft Support
Note: If you don't see the option to Restore preinstalled apps, it means your PC doesn't have preinstalled apps configured. In versions of Windows 10 prior to version 2004 this feature was called Fresh Start and to use it you'd select Start > Settings > Update & security > Windows Defender > Device performance & health .
Find or fix a device in your Microsoft account
To check for any security issues, go to Windows Defender settings, select Show details, and check your security status.