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Physical/Safe Size Limits

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Does anyone know the physical or safe limits of usage on PST and OST files before they stop working - this information MUST BE FROM A TRUSTED AND RELIABLE SOURCE IE MICROSOFT.

To give some sort of idea, we have a user with an extremely large OST,990Mb PST and a mailbox of 600+MB.

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by ann777

The tech article previously given is the max... but recommended is another matter. Just as MS recommends a certain minimum for RAM requirements, things work better if that minimum is doubled.

I have seen problems start with PST files as small as860 MB and recommend that all my users keep their mailboxes smaller than this. Delete or archive folders and files no longer needed.

by guru kumar

Hi !

As answered previously, as far as i know, i also know the same that the Limits for the Usage of .OST (Offline Folders) and .PST (personal Folders) are having the same Maximum file size limits 2 GB.
After that it stops working and you can't get the mails in these folders.

Guru

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