Get-AppxPackage |select Name,PackageFamilyName,InstallLocation,Status|fl Use the following PowerShell command to make sure that app is installed: I did a repair on Office and that did not help.
If you copied the file to the desktop, it would open but if you tried to open from the OneDrive location, the app would attempt to open the file, then close and reopen back to where you started. If this built-in UWP (APPX) app has been removed from Windows, a user may have problems when using Modern Authentication. My user could not open Excel or Word files from Office 365 OneDrive.
In Windows 10, to make Modern Auth work correctly, a special AAD broker plugin must be installed. When using Microsoft Auth, the app doesn’t store user credentials and uses token-based authentication. Modern Authentication is based on ADAL (Active Directory Authentication Library) and OAuth 2.0. Also, note that Outlook 2010 doesn’t support Modern Auth. /rebates/&.com252farticle252fexcel-spreadsheet-disappears-after-opening. So the solution when you disable EnableADAL will bring you additional troubles in some time. In 2022, Microsoft is going to completely disable Basic Authentication for all tenants still using it. By default, Modern Authentication is enabled for all new Microsoft 365 tenants since August 2017. to create and edit documents, share your documents with others and sync your Desktop/Online files so they are always up-to-date.