How frequent does onedrive sync PST files?

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Occasional Contributor

The documentation states

"Outlook .PST files are supported. However they are synced less frequently compared to other file types to reduce network traffic."

 

How frequently are PST files synced?

Is it possible to remove this restriction, so they sync when a change occurs?

 

https://support.microsoft.com/en-us/office/restrictions-and-limitations-in-onedrive-and-sharepoint-6...

 

I use the Safe PST backup software nightly to copy my archived pst file into a OneDrive folder to be stored in the cloud for DR backup purposes.

 

The problem is that by the next morning, the backup file has not synced in OneDrive.

 

I just recently moved from Dropbox to Onedrive and never had this issue with pst files and Dropbox.

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