
It means most of the Outlook users are using Unicode PST file format. These days, most Outlook users are using the latest versions. Now it’s clear that Unicode PST file provides you more storage space than ANSI PST. And in Outlook 2013 & 2016, the maximum size limitation is 50 GB. In Outlook 2003, 2007 & 2010, the maximum size limitation is 20 GB. On the other hand, a Unicode PST file can store 20 to 50 GB mailbox content. An ANSI PST file can only store up to 2 GB of mailbox content. Size limitation is the only difference between these two formats. In Outlook 2003 and later versions including the latest 2016, PST files are saved in Unicode format. In Outlook 2002 and earlier versions, PST files are saved in ANSI format. It saves the PST files in two different formats: ANSI and Unicode. Microsoft Outlook client creates Outlook data file, called PST or personal storage table, on a local computer system. In this post, I’ll show you how to increase Outlook mailbox size so that you can get enough storage space.ĭownload Buy Now What are the Types of PST Files?

Dealing with such size limitation issue is very challenging for Outlook users. But sometimes it’s not that enough especially when you’re sending and receiving thousands of email messages each and every day. Or if you’re using Outlook 2003 or any later version including the latest 2016, you get enough storage space, i.e.

If you’re using any older version of Outlook client, such as 2002 or earlier, you have a maximum size of 2 GB. You just can’t store more content into a PST file than its maximum size limit. Summary:-If you’ve been using Outlook client since long, you must know that the PST files have size limitation issue.
