Where are my contacts in Mail for Windows 10? - Microsoft Support
The Mail app uses the People app for Windows 10 to store contact information. When you open a new message in Mail for Windows 10, start typing a contact's name or email address and Mail for Windows 10 will search the People app and display a list of suggestions for you to choose from.
Applies To:
Mail for Windows 10
Restrictions and limitations in OneDrive and SharePoint
If you're looking for restrictions and limitations that apply to the earlier version of OneDrive for Business (groove.exe), SharePoint 2013, and SharePoint 2016 read KB 2933738. OneDrive for Windows and Mac is also compatible with SharePoint Server Subscription Edition.
Applies To:
SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet