Getting worried is quite obvious when the email client you are using is not functioning properly due to storage file corruption. Knowing the reason is as important as resolving the corruption issue, as some problems can be avoided just by taking some precautions or by giving some initial treatments to corrupt PST file to repair Outlook. It is always better to take precautions then curing later therefore, let us just assume as if no corruption issue is with our PST file. So what are those reasons that may lead to PST file corruption in future? The most common reason that can corrupt a working PST file is 2 GB storage limitation of MS Outlook.

Getting messages indicating that your PST file is about to cross the maximum size limit of 2 GB? Do not ignore if you want your PST file to remain healthy. Just copy some emails to a safe location and delete them from PST file. However, it can solve your problem till the time the PST file again gets crowded with emails. Once the PST file is again full, you will need to repeat the process. But what if you did not manage to do so and the file got corrupt due to crossing the 2 GB limitation? Well now the problem has appeared and you have no other option then solving it. To troubleshoot minor PST file corruptions and repair Outlook, MS Outlook has two prolific utilities i.e. Inbox repair tool and oversized OST and PST crop utility.

Since, the entire corruption issue is instigated from 2 GB limitation of PST file, using oversized OST and PST crop utility to repair Outlook PST file is more suitable way, as this problem cannot be initially solved with Inbox Repair Tool. The oversized OST and PST crop utility works by deleting about 25 MB of data from the file. However, this tool should be used as a last option, as controlling data loss while using this tool for Outlook repair is uncontrollable.

Inbox repair tool can prove to be beneficial to repair Outlook file in cases of minor corruptions but if the data contained in PST file is also corrupt then taking help of this tool can destroy the PST file, as it repairs the PST file header and deletes anything that is not comprehensible. However, when it comes to recovery of sensitive organizational emails, entrusting the corrupt PST file in the hands of in built recovery tools is not recommendable. In such a situation, you will need to look out for some trusted third party solutions to repair Outlook PST file.