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Help! I accidentally made flow mess up my calendar

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Posted on by emiller6 16

I recently tried to make a Flow which would automatically update an outlook event whenever a ToDo was updated. In this process I must have misidentified the event ID because it changed ALL of my events in outlook (even events in which I did not create) to the same time/data. I have no way to go back in outlook and edit these events, as I am not the organizer.

 

How can I reverse what Flow did, or at the very least get into these events in my calendar to adjust the times back to what they’re supposed to be?

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  • WillPage Profile Picture
    WillPage 2,335 Super User 2026 Season 1 on at

    If you did a Get events action in your flow prior to updating the events, then the output of that action will be basically a backup of how your calendar was, which you can find in the run history. You could copy the JSON output of that action and paste it into a Compose in a new flow and then run an Apply to each on that to update the events with the start and end time from that data.

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