Error - Office 365 Outlook - Send email with attachments (V2)

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Posted on by treddfw

I'm receiving this error message when trying to use action Office 365 Outlook - Send email with attachments (V2)

I've tested using the actions/methods described in this forum as well as the URL

Office 365 Outlook - Power Automate | Microsoft Learn

What should I try next?

Correlation Id: 37b2c6e7-d1e4-4abf-ab7b-be6e005c7d36

My Power Automate Desktop Version is

Version 2.44.46.24141

The Flow steps are

Detail on the Action in error

Detail on the Variable used for the Attachments

0	{ 'Name': ROSWELL - 2024.06 Jun.pdf, 'ContentBytes': Byte [240901] }
1	{ 'Name': EDMARK - 2024.06 Jun.pdf, 'ContentBytes': Byte [121918] }
2	{ 'Name': DAP - 2024.06 Jun.pdf, 'ContentBytes': Byte [159472] }

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Power Automate Desktop

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Nived_Nambiar 18,138 Super User 2026 Season 1 on at

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Hi @treddfw

Could you show what you have done in add to list action ?

I assume you have added text as each element to list not as custom object. For writing custom object to list- follow this approach for example-

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Nived N 🚀

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treddfw 41 on at

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Thanks Nived for the assist. When I add the "%" to prefix and suffix the code, it gives me a syntax error.

Here's what my code currently does:

Add Item: { 'Name': %FileName%, 'ContentBytes': %BinaryData% }

In the support URL listed at the beginning of my post, the suggested code to use is as follows:

{'Name': %variable holding the file name%, 'ContentBytes': %variable containing the binary data%}

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Nived_Nambiar 18,138 Super User 2026 Season 1 on at

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Hi @treddfw

The way you have written the expression is wrong - it should be like this

Add Item: %{ 'Name': FileName, 'ContentBytes': BinaryData }%

Thanks & Regards,
Nived N 🚀

LinkedIn: Nived N's LinkedIn
YouTube: Nived N's YouTube Channel
Blog: Nived Nambiar's Blogs

🔍 Found my answer helpful? Please consider marking it as the solution!
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treddfw 41 on at

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That's what it took....Thank you so much!
Looks like the documentation is wrong.
The only time the "%" is used is as prefix and suffix. The "%" is not used in the variables themselves.
Thanks again!

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