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Screen mirroring and projecting to your PC or wireless display
Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Learn about your profile in Microsoft Teams (free)
Learn how to adjust your Microsoft Teams personal account settings using your Microsoft account information.
Applies To: Microsoft Teams, Microsoft Teams personal
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Sign in to SharePoint - Microsoft Support
Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.
Applies To: SharePoint in Microsoft 365
Fix sound or audio problems in Windows - Microsoft Support
1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6. Fix your audio drivers. 7. Set your audio device as the default device. 8. Turn off audio enhancements. 9. Restart Audio Services
SUM function - Microsoft Support
The SUM function adds values. You can add individual values, cell references or ranges or a mix of all three. For example: =SUM (A2:A10) Adds the values in cells A2:10. =SUM (A2:A10, C2:C10) Adds the values in cells A2:10, as well as cells C2:C10.
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
Which version of Windows operating system am I running?
Select Start > Settings > System > About . Open About settings. Under Device specifications > System type , see if you're running a 32-bit or 64-bit version of Windows. Under Windows specifications, check which edition and version of Windows your device is running.
Look up values with VLOOKUP, INDEX, or MATCH - Microsoft Support
The VLOOKUP and HLOOKUP functions, together with INDEX and MATCH,  are some of the most useful functions in Excel. Note: The Lookup Wizard feature is no longer available in Excel. Here's an example of how to use VLOOKUP. =VLOOKUP (B2,C2:E7,3,TRUE) In this example, B2 is the first argument —an element of data that the function needs to work.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
OneDrive を開き、ファイルをアップロードする - Microsoft サポート
OneDrive を開き、ファイルをアップロードする. OneDrive には、300種類のファイルを保存できます。. セキュリティで保護されており、ブラウザー、モバイルアプリ、Mac、Pc で利用できます。. Office ドキュメントでは、Office を使っているかどうかに関係なく、他 ...
Applies To: OneDrive (work or school)
OneDrive 파일 또는 폴더가 동기화를 마치지 않음 - Microsoft 지원
파일이 동기화 되는 로컬 폴더에서 파일을 볼 때 일부 폴더 또는 파일에는 성공적으로 동기화 되었음을 나타내는 녹색 확인 표시 대신 파란색 동기화 표시기가 계속 표시 됩니다. 이 동작은 오랜 시간 동안 대기한 후에도 계속 발생 합니다. 해결 방법. 연속 동기화 문제를 발생 시킬 수 있는 몇 가지 조건이 있습니다. 이 문제를 해결 하려면 문제가 발생 하는 파일을 검토 하 여 잠재적인 원인을 파악 합니다. 다음 제한 사항 또는 제한 사항 중 하나가 발생 했습니다. 동기화 할 수 있는 항목의 수입니다. 파일 동기화 크기 제한. 파일 이름 또는 폴더 이름에 잘못 된 문자가 있습니다.
Applies To: SharePoint in Microsoft 365, Office for business, OneDrive (work or school)