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Power Automate
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Missing files

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Posted on by 158
I have a flow that watches an Outlook mailbox. When mail arrives, the flow decides if it has an attachment or not. Depending on what it finds it will either just download the attachment or the body of the email, into separate folders.
 
The email box gets a very large number of emails in a short period of time, usually all in one day. The volume could be in the range of 500-900 depending on the time of the month and other factors.
 
During the last email blast my flow indicated that there were just under 200 messages received. The flow timestamps each mail received not so that I know when it arrives but so that there is no overwriting of files. A typical file name would look something like this drop_2024-07-17 00_25_10Z.rtf. BTW, my flow is not yet in production as I'm still doing testing. As it turns out the people that manage the mailbox tell me that there were somewhere around 900 messages received.
 
I'm not sure why there would be such a large discrepancy between what my flow "sees" and the actual volume. Does anyone have any ideas how I could debug this and figure out why the flow didn't capture all emails?
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  • Michael E. Gernaey Profile Picture
    53,433 Super User 2025 Season 2 on at
    HI 
     
    When you say your Flow told you that, how did it keep count of triggers?
     
    Also, have you compared in the 28 day log, how many times it actually triggered versus whatever or however the flow told you it was 200?
     
    Also, have you varied that although they said 500-900 was the person on it that was needed to trigger it? Or was it in the correct Folder for it to trigger?
     
  • David_MA Profile Picture
    12,982 Super User 2025 Season 2 on at
    You will need to show how you have your trigger configured? Did you check the option to only run if there are attachments? If so, that could explain the discrepancy.
  • CU23071518-0 Profile Picture
    4 on at
    David MA,  The flow is designed to take whatever comes into the mailbox and then decide if it has an attachment or not. In either case the flow will do something with the email. In the attached the condition statement checks for the attachment
  • CU23071518-0 Profile Picture
    4 on at
    FLMike,
    Within the Poer Automate structure there is a Run History section that will tell you how many runs your flow has had.
     
    As for validation, the person telling me the actual quantity has the files to verify his count.
     
    The emails that I'm try to capture arrive in a sporadic fashion. There are 2 periods when a large amount of files arrive other than that the number of files arriving is very low, maybe 1-2 a day VS hundreds over a 2-3 day period

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