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.
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Encrypt messages by using S/MIME in Outlook on the web
A key icon in the message list or reading pane indicates an encrypted message.. If you normally use Conversation view, you'll have to open the message in a new window to read it. There will be a link on the message to make this easier.
Applies To: Outlook.com, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Keeping leading zeros and large numbers - Microsoft Support
Keeping leading zeros and large numbers in Excel. Use a custom format to keep the leading zeros. If you want to resolve the issue just within the workbook because it's not used by other programs as a data source, you can use a custom or a special format to keep the leading zeros.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016, Excel 2013
Define and use names in formulas - Microsoft Support
By using names, you can make your formulas much easier to understand and maintain. You can define a name for a cell range, function, constant, or table.
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
Display requirements for HDR video in Windows - Microsoft Support
To play HDR video in Windows 11, your display, PC, and graphics card must meet certain requirements. Here are the requirements: Display. Your display can be a built-in display, like the kind on a laptop, tablet, or 2-in-1 PC, or it might be an external display that’s connected to your PC.
Turn airplane mode on or off - Microsoft Support
Note: Airplane mode retains the settings you used last time.When you turn on airplane mode, Windows remembers if you had Wi-Fi or Bluetooth on last time, and keeps that setting so your Wi-Fi or Bluetooth will be on again.
USB and SD storage media – ReadyBoost with a SD card or a flash drive
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Codecs FAQ - Microsoft Support
There isn't a way to determine with absolute certainty the codec used to compress a file, but the following are your best options: To determine what codec was used with a specific file, play the file in the Player, if possible.
Help protect my PC with Microsoft Defender Offline
Microsoft Defender Offline is a powerful offline scanning tool that runs from a trusted environment, without starting your operating system. When should I use Microsoft Defender Offline?