Catch the Unknown: Using OnError in Power Apps @ShanesCows
Catch the Unknown: Using OnError in Power Apps  @ShanesCows
Uploaded January 2026 | Updated September 2026, 2 weeks ago
In part of our series, we continue on with global error handling in Power Apps using the OnError property of the App. This PowerFX function allows you to capture or "trap for" all unhandled errors. That is a fancy way of saying when an error occurs you weren't expecting you can handle it.

Also, get a look at FirstError and the different types of informaion it can provide on your error.

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0:00 Power Apps OnError PowerFX function
1:21 OnError Power Apps Property
1:42 Office365Users Error
5:02 Suppressing all errors
6:05 Suppressing only certain errors
6:40 FirstError outputs

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Catch the Unknown: Using OnError in Power Apps

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