My Power App is loaded on a Teams tab. Today, when I try to download a file from an attachments box in the app I get the error, "Couldn't download the file". The data source is in a Microsoft Lists with attachments enabled. The attachment box for uploads in Teams works fine and the files get added to the list records.
This was working fine on Monday in Teams, selecting a file went automatically to my Downloads folder. I made no changes to the app between Monday and Friday. When I open the Power App on the web, everything works fine, and attachments download as expected in a browser.
One post suggested removing the app from Teams, then adding back in as a new tab. I tried that, and nothing changed. I also went into the app to refresh the data sources, but that did not change the behavior in Teams.
Any thoughts on what could be going on or other troubleshooting steps I can take?
Solved! Go to Solution.
I also encountered this issue. Is there a fix to this? My possible workaround would be getting the url of the attachment and use the launch command but I am still looking for a way to get the url...
There is no solution yet. Not sure if something that happened with a Windows 10 security update or Teams desktop app update. In terms of getting a url for the file, the only way I know how to do that is if the attachments are stored in a SharePoint library, then you can use Power Automate to get the file link. Hoping there may be a fix coming from Microsoft on the desktop app, or at least an explanation. It all worked fine about a week ago.
Hopefully. For now, I used power automate to get me the attachment url and made a hyperlink text on the powerapp so the user can download them easily.
I am having this issue as well with my embedded PowerApp on the Teams Desktop app. This seemed to be working a couple of weeks ago but now I also get the "Couldn't download the file" error message; however, on the web version of the app, it works perfectly. Has there been any more traction on this issue?
There is no fix yet from Microsoft on the desktop Teams app. Seems to also be a similar issue with iPhone and Android phone platforms.
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