If you want to split a large Outlook PST file automatically on Windows PC, you can use free software like Split PST File or PST Splitter.

How to open MBOX files in Outlook Outlook's version of the MBOX file is the PST file. So for Outlook to read your imported file, you'll first need to convert it to PST.

Once you have located the OST file, follow the methods below to open the it. Method 1: Using Free Xst Reader Tool Xst Reader is a free open-source viewer that allows you to open and view OST and PST ...