I am using Office 365 Enterprise E5 license. On my SharePoint site, I have lists which are imported from Access Web App.
On SharePoint(in Modern mode), when open the list generated from Access Web App, there is no PowerApps button can be used to create an app. I suppose that this might haven’t been supported yet. Please consider to submit a request on PowerApps Ideas Forum about this issue.
On both PowerApps studio for Windows and PowerApps studio for Web, I can see the lists generated from Access Web App under “SharePoint – choose a list” section.
On your side, is there no list generated from Access Web App under this section? Can you visit the Access Web App lists under SharePoint site?
Best regards, Mabel Mao
Community Support Team _ Mabel Mao If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.