@vp-pengu1n
You can use Convert Base64 to file action to convert your Base64 data into actual file.

Base64 encoded text parameter: %GetEmailsV3Response.value[0].attachments[0].contentBytes%
File path parameter: C:\Deenu\%GetEmailsV3Response.value[0].attachments[0].name%
Thanks,
Deenuji Loganathan 👩💻
Automation Evangelist 🤖
Follow me on LinkedIn 👥
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