What's the Most Efficient Way to Collect Attachments from Client-Delivered MSG Files for Audit Purposes?

Our clients submitted project records in Outlook MSG format, and each email includes supporting documents. We need to extract all attachments into a separate location for an upcoming audit without manually saving files one by one. What approach works best for this kind of task?
 
When you’re dealing with client-sent MSG files for audit work, the main headache is usually volume. Each MSG holds attachments scattered across emails, and opening them one by one quickly becomes unrealistic, especially when deadlines are tight.

This usually happens because MSG files store email data individually, so there’s no built-in Windows or Outlook option to batch pull attachments without opening each file manually.

A basic manual way is using Outlook itself (if installed): open folder view, filter MSG files, and save attachments one by one or use a simple VBA script. It works, but it gets messy fast and isn’t great when files are in bulk or spread across subfolders.

In cases like audit preparation where time matters, I’ve seen people use something like Mailvare Free MSG Attachment Extractor to handle batch extraction. It loads multiple MSG files and pulls attachments into a separate folder without touching the original structure, which reduces manual effort quite a bit.

One thing to watch: always double-check output folders, because large batches can mix files if naming is similar.
 
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