Microsoft Outlook uses a unique method of storing emails, customizations and settings. Unlike other e-mail clients such as Microsoft Outlook Express, the larger Outlook program does not store messages as individual folders. Instead all incoming, sent and saved emails are stored in a text based database known as a PST file. The PST file database also stores all customizations, options and settings. Generally speaking it is a very effective means of storing data. It allows a maximum amount of messages to be stored in a very minimal space as common code for settings and customizations can be written just once and then applied to messages as a whole. However when the PST file becomes corrupted we’re faced with more than the loss of just one message. We must deal with damage to the entire application and potential loss of all stored files.
Quality programs for PST repair have been designed expressly to quickly place back into operation a corrupted Microsoft Outlook inbox as part of the Outlook application. This is usually accomplished by using a scripted comparison of the PST file database on the nonfunctional application with a known uncorrupted example. Should any disparities be noticed the PST repair program rewrites the application tables so as to repair the original PST file. In other cases where the file creation tables of the PST file are not corrupted and Microsoft Outlook has failed simply due to overstuffing of the size limited inbox, programs to repair 2GB PST file size work by reducing the size of the stored information to under the 2 GB capacity. Very often however this results in loss of data. The best way to avoid loss of Microsoft message data due to file corruption is to use an Outlook backup software tool. These tools can reset on a regular time interval to automatically save your Outlook data to a safe external location.