.OST File Extension

What is a .OST file?

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

How to make a .OST file?

To create .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 stores. .OST file creator download is also available on its official web page. To learn more about .OST file launcher and its alternatives, visit the program official web page.

How to open .OST files?

To launch .OST file on your platform, use .OST file reader by Microsoft or another soft listed below. Once you download and install the .OST file viewer, you will be able to open all .OST files.