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Cannot Retrieve IMAP mails if too many emails

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Posted on by Hushbaby

I was trying to retrieve IMAP mails and save the body of emails tru Power Automate Desktop. When I try to retrieve all unread mails ( which has only a few , less than 10 emails), it respond soon and quickly into next step. But when I try to retrieve all mails ( which has about 500 emails), it just stuck in the retrieve step - I tried to operate for 30 mins which still retrieving.

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lbendlin 8,726 Super User 2026 Season 1 on at

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Ok, what is your question? Is Power Automate Desktop the right tool for the job? What if you run the flow in batches?

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Hushbaby 6 on at

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Thanks for ur opinion.
I tried to run the flow in a longer time, and it successed in 2 hours (2 batches 800 emails).
I'll try to seprate the mail box in to mutiple, but is there any other methods to run the flow in batches?

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lbendlin 8,726 Super User 2026 Season 1 on at

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Do the emails need to stay unread? If not then you can create a loop to process "the first 50" unread emails over and over, and mark processed emails as read.

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Hushbaby 6 on at

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How do I set "the first 50" unread emails? I cannot limit the number of the list "RetrievedEmails" before retrieveing. I try to set a var (such as 1 ) to %RetrievedEmails.Count% first, but it told me that it's not a Custom Objects. Seems like it can only assign RetrievedEmails.Count to other var, but cannot assign a var to it. Could u plz teach me more detailed? It would be so appreaciated!

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Hushbaby 6 on at

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I guess I found the reason why it's so slow. Maybe the retrieving will retrieve the attachments wheather or not chose to download.
When I retrieve 210 emails which have no attachments, it cost me 2 mins. But when I retrieve 500 emails (each of them has attachments) cost me almost 2 hours.
How can I let the service do not retrieve attachments?

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