Just like the Outlook PST file has the 2GB file size limitation, in the same way, Exchange OST file, also has this limitation of 2GB file size. Beyond this limit i.e. when any of your Exchange OST files crosses this limit, it gets corrupted and then you lose all your crucial Exchange mailbox data. What can be done to prevent this and to safeguard your OST file against corruption due to exceeding 2 GB limit? The very easy and simple way to do this is given below.
You have to perform just the following 2 simple steps in order to avoid approaching corruption due to exceeding 2GB file size limit of OST: