Power Automate

Subject Filter x Search Filter

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Posted on by marcos.rocha.tracbel

I have a flow that uses Get Emails v3 to fetch emails from a shared box.

I did the test, without any type of filter, and the emails are returned normally.

Now I need to filter so that it brings records that only have certain words in the subject (ex: nr. 123)

If I use the subject filter, according to the documentation, I am limited to email boxes that have up to 250 messages. I actually took the test and it doesn't show the record. To prove that my filter was working, I used one of the emails returned in the first test where I didn't use any filter. And the record was returned.

I also tried using the search filter. I tried every way, but without success.

What is the correct way to search using the search filter?

I tried the following ways:
subject: *123*
subject = 123
123
*123*

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Ellis Karim 12,059 Super User 2026 Season 1 on at

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As far as I know, you should be able to use most (if not all) the search filters as shown here:

How to search in Outlook - Microsoft Support

example:

subject:"bobby moore"

Items whose subject contains the phrase bobby moore.

Ellis

Ellis Karim's Blog – IT doesn't have to be complicated!

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abc 123 789 Moderator on at

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The hint in the parameter says to go to this link:

Use query parameters to customize responses - Microsoft Graph | Microsoft Learn

which is 100% useless, as it only has a single paragraph that reroutes you to here: (Thanks interns!)

Use the $search query parameter in Microsoft Graph - Microsoft Graph | Microsoft Learn

which leads to:

$search="subject:has"&$select=subject

unfortunately, this is not the direct syntax for the Flow.

Finally, if you expand the Advanced options, there exist an input of "Subject Filter"

With that, you would simply enter 494301. (Although you might have to wrap that as String(494301).

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marcos.rocha.tracbel 2 on at

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Hi abc 123 . I followed all the paths you mentioned, but none of them were clear enough to tell me how to do it.
I also tried using the subject filter, but as I mentioned in the post, this filter is limited and can only be applied if the mailbox has less than 250 messages (which is not my case).
So it won't work.

Hi EKarim , thanks for the link. I did some tests as mentioned, but for some reason it's not working.
See below that the message exists in the configured folder, inside the shared box, but it doesn't return any records.
OBS: If you use double quotes, it gives an error. I tested it with single quotes, it doesn't give an error, but it doesn't work either.

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Ellis Karim 12,059 Super User 2026 Season 1 on at

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The subject filter I use:
subject:Expense Claim Status Change

Please check the "Fetch Only Unread Messages". I think you need to set this to NO.

Ellis

Ellis Karim's Blog – IT doesn't have to be complicated!

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