Encrypt messages by using S/MIME in Outlook on the web
Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.
Applies To: Outlook.com, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Using the Windows Activation troubleshooter - Microsoft Support
Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.
Import Gmail to Outlook - Microsoft Support
Learn how to import Google Gmail to Outlook and your Office 365 mailbox. You can also import Gmail contacts to Outlook, and see your Google Calendar in Outlook.
Applies To: Outlook 2016, Outlook 2013, Outlook Web App for Office 365, Outlook on the web, Outlook on the web for Exchange Server 2016, Outlook Web App
Returning items you bought from Microsoft for exchange or refund
Learn how to receive a refund or exchange for items purchased from Microsoft.
Applies To: Microsoft account dashboard
OneDrive release notes - Microsoft Support
Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Snap your windows - Microsoft Support
See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Solve PC problems over a remote connection - Microsoft Support
Use the Windows Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).
Microsoft Teams help & learning
Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.