MS Outlook is a great application developed by Microsoft, MS Outlook application is popularly used across the world. All the Outlook contacts, e-mails address and other files are stored in Outlook data file PST. In addition to this PST stores outlook user information, calendar entries, appointment schedules, tasks, notes and distribution list. With so much data, the size of PST increases which later results in corruption. A corrupt PST file could make outlook to slow down or not perform at all. So, it is advisable to create space in PST file and delete any extra files or media.
Older version of Outlook has PST size of only 2 GB which is very low comparing the data received by Outlook. Microsoft provides a feature to compact PST file and create space to handle data. Before knowing about the PST compact feature, check the types of PST file
PST File Formats
ANSI PST: The Older version of MS Outlook up to 2002 has PST file in ANSI format. It has a size limit of only 2 GB. Knowing the PST file cannot be increased, the other solution is creating space in the PST file by compressing it.
Unicode PST: Realizing the need of space in PST file, Microsoft introduced Unicode PST file format that is capable of storing 20GB to 50 GB of data. However growing needs, media, and attachments find this size limit low.
Corrupt PST File
There could be many reasons why an Outlook PST file gets the corrupt and large size of PST is among them. Oversized PST file gets corrupt easily which ultimately affects the Outlook performance. The problem can be severe when Outlook stops working due to large PST File. It requires proper management of Outlook and its data.
There are two methods by which data in Outlook can be reduced i.e. Compact PST File and Clean Up options
MS Outlook Cleanup
Compact PST Size
By following the above steps you can Compact PST size and open Outlook.