Email attachment to SharePoint Folder based on the name of the file

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Posted on by MsGoodie

Desired Outcome: Part 1. copy attachments from email to specific folders on SharePoint based on the file name

i.e. 123_ABC_10.12.2023 -> saves to the folder 123_ABC

using fx -

split(triggerOutputs()?['headers']['FileName'], '/')

Error: Unable to process template language expressions for action 'Apply_to_each_2' at line '0' and column '0': 'The template language expression 'split(triggerOutputs()?['headers']['FileName'], '/')' cannot be evaluated because property 'FileName' doesn't exist, available properties are 'Cache-Control, Pragma, Transfer-Encoding, Location, Retry-After, Vary, Set-Cookie, Strict-Transport-Security, x-ms-request-id, X-Content-Type-Options, X-Frame-Options, x-ms-environment-id, Timing-Allow-Origin, x-ms-apihub-cached-response, x-ms-apihub-obo, Date, Content-Type, Expires'. Please see https://aka.ms/logicexpressions for usage details.'.

I need to put each attachment into the EmailAttachment array and then extract the filename but I am a little lost on how to do that. And how do I write an If/Else statment to look at every folder?

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trice602 15,404 Super User 2025 Season 2 on at

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Hi @MsGoodie ,

Here's a working flow to copy and implement.

Trigger config:

First compose is to replace "/" with a "_" -- if it exists. You can use this and build on replacing any characters you don't want in your folder names.

replace(items('Apply_to_each')?['name'],'/','_')

Second compose gets the file name after the last "." so the folder name doesn't contain .jpg or .xlsx

split(outputs('Compose'), '.')[0]

My folder path in create folder is from the output of Compose2, shown below

Lastly, I create the file in the newly created folder. Please mark as a solution if this was helpful!

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MsGoodie 12 on at

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@trice602 ,
Tom thank you so much for your prompt response.
2 Things...
1. I don't need to create a folder, I need to look at the existing first 4 numbers to put it in the existing folder that matches those number. (so the flow as you laid it out works to create a folder but my folder structure already exists.)
2. When I test the flow I am getting an error that the file name is too long.
Here is the error.
The specified file or folder name is too long. The URL path for all files and folders must be 400 characters or less (and no more than 400 characters for any single file or folder name in the URL). Please type a shorter file or folder name.
clientRequestId: 4bf57722-0cca-4db1-b14a-ead1a3cdac82
serviceRequestId: 4bf57722-0cca-4db1-b14a-ead1a3cdac82

I am wondering if we can truncate the name of the file that is being copied since we can't change the folder structure?

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trice602 15,404 Super User 2025 Season 2 on at

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Hi @MsGoodie ,

Understood. Is the format always like this with two _'s? If so, I can write an expression to get everything to the left of the second underscore.

23_ABC_10.12.2023

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trice602 15,404 Super User 2025 Season 2 on at

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Hi @MsGoodie ,

Please review this one.

expression for folder name:

slice(items('Apply_to_each')?['name'], 0, nthIndexOf(items('Apply_to_each')?['name'], '_', 2))

And here's the dynamic folder path in create file

In this example, an attachment named 123_ABC_10.12.2023.xlsx was created in folder /123_ABC

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MsGoodie 12 on at

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Tom,
Once again thank you for your help. I am still experiencing a similar error to the previous one - URL path 400 character limit - shorten file or folder name. I do not believe I've exceeded 400 characters.

Would it be easier to copy the files to a specific SharePoint folder from the email and then copy it to the necessary location number in a secondary action?
Currently I am able to copy any that comes in email to a specific folder

I tried shortening the file name and I still got the same error.
A new folder is being created but the file isn't writing.

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trice602 15,404 Super User 2025 Season 2 on at

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Hi @MsGoodie ,

Yeah, there's a lot of discussion about the MAXPATH limits and 400 is the number. I'm not sure what options I would recommend here; if you truncate the path and file names too much, you lose the identification of the files.

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