.OST File Extension

File Type: Outlook Offline Data File
Developer: Microsoft
Category: Misc Files
Format: Binary
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What is a .OST file?

.OST is a Misc Files extension of a Binary format created by Microsoft. You can work with .OST files on Mac, and Windows.

How to make a .OST file?

To make .OST files, you have to use Remo Convert OST to PST or any other software from the list below. You can download programs for Mac, and Windows from official sources. .OST file editor download is also available on the software official source. To learn more about .OST file launcher and its alternatives, visit the program official web site.

How to open .OST files?

You must have one of the programs that can open .OST files. After the installation of the .OST file reader, you will be able to open all .OST documents.