Nowadays, Microsoft Outlook is used by almost every office & personal user. Emails, contacts, calendars, & attachments in Outlook are stored in a PST (Personal Storage Table) file. Over time, this PST file can grow very large, which can slow Outlook's performance. This problem is common with both ANSI & Unicode PST files. In such cases, compressing the PST file is a better & safer option.
If your Outlook PST file has become very large & Outlook is running slow,
DataVare Outlook PST Compact Expert is a reliable solution. This tool safely
compresses both ANSI/Unicode PST files without any data loss. With this software, you can reduce PST file size, improve Outlook performance, & save storage space. Its interface is simple & works well with all Windows and Outlook versions. This tool is very useful for users struggling with large PST files.
Blog: https://www.datavare.com/how/reduce-outlook-pst-files/