By default, all software supports multiple file extensions. Outlook Recovery Toolbox supports at least 1 different file extensions. The basic files that Outlook Recovery Toolbox supports are .OST. However, not all of the extensions listed on the list are always used to save the effects of work in Outlook Recovery Toolbox. Very often, files with such extensions are used as source data files used by Outlook Recovery Toolbox.
Outlook Recovery Toolbox can be used to convert file formats between the file extensions listed below. You can open a file with one of the file extensions below via Outlook Recovery Toolbox and try to save it in another file format, also supported by Outlook Recovery Toolbox.