OST Viewer

Software supporting OST files

If our OST Viewer Online did not help you, you have a few more options. For starters, we suggest installing software that supports OST files You can try to open your OST file with one of these applications. By using the dedicated software you will have more options, e.g. editing the OST file or converting the OST file to a different file format.

What are the pros and cons of such a solution?

The first important thing is that you will need to download and install a dedicated application that supports the OST format on your device. In this case, it is not possible to view the OST file online. This solution is more problematic, but also allows for more processing options for the OST file. Meet a few applications designed to work with OST and go to the full list - OST File Opener

Examples of software programs that work with the OST format

Convert OST to PST Microsoft Outlook Outlook Recovery Toolbox

Other ways to view the OST file

If you still cannot see the contents of the OST file, but also don't see the need to install dedicated software, then there are other solutions. A large proportion of the data formats are simply archives or plain text files. If this is the case, you can try to preview the contents of OST file with "Notepad". This does not guarantee success, but in most cases it will allow you to see the contents of the OST file to some extent.

The second attempt may be with a data archiving program. Try to open your file with e.g. Winrar or Winzip. If the file is a data archive, you should see what individual files it consists of. To get information about what kind of data it is, go to the subpage with information about the OST file extension.

Additional options for solving the problem

Go to a third-party website and try to find help

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