File formats that are supported in Excel - Microsoft Support
You can save an Excel file in another file format by clicking the File > Save As.The file formats that are available in the Save As dialog box vary, depending on what type of sheet is active (a worksheet, chart sheet, or other type of sheet).
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Blocked attachments in Outlook - Microsoft Support
One of the most common ways of transmitting computer viruses is through file attachments. To help protect you and your recipients against computer viruses, Outlook blocks the sending and receiving of certain types of files (such as .exe and certain database files) as attachments.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
What is Microsoft 365? - Microsoft Support
Microsoft 365 is our cloud-powered productivity platform. With a subscription to Microsoft 365, you can get: The latest productivity apps, such as Microsoft Teams, Word, Excel, PowerPoint, Outlook, OneDrive, and so much more.
Applies To: Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin
Outlook training - Microsoft Support
Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business
Upload and save files and folders to OneDrive - Microsoft Support
Upload files or folders to OneDrive. You can store over 300 types of files on OneDrive. With Microsoft Edge or Google Chrome: Select Add new > Files upload or Folder upload > Folder.
Applies To: OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Add people to your family group - Microsoft Support
Note: Invitee will receive a link to join via email. It will prompt them to sign into their Microsoft account to accept and join the family group. If they are under statutory age they will also be prompted to request adult consent.
Applies To: Microsoft Family Safety
Access help & learning
Get help with your questions about Microsoft Access with our how-to articles, training videos, and support content.
Add an exclusion to Windows Security - Microsoft Support
If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.
Add a device to a Windows 10 PC - Microsoft Support
Windows 10 usually finds devices automatically when you plug them in or turn them on. If it doesn't, follow these steps: Select Start > Settings > Devices > Bluetooth & other devices.