Unfortunately, as of Access 2019, Access Web Apps have been discontinued. From the March 2017 announcement from Microsoft:
“We no longer recommend Access Services for new apps. This feature will be retired from Office 365. We will stop creation of new Access-based apps in SharePoint Online starting June 2017 and shut down any remaining apps by April 2018.”
Access Services Database Changes
Many of the Database Tools are also absent in a Web Application. These include the Relationships Window, Performance Analyzer, Table Analyzer, and uploading data to SQL Server and SharePoint.
In my next post, (