By default, all software supports multiple file extensions. Agenda At Once supports at least 1 different file extensions. The basic files that Agenda At Once supports are .AAO. However, not all of the extensions listed on the list are always used to save the effects of work in Agenda At Once. Very often, files with such extensions are used as source data files used by Agenda At Once.
Agenda At Once 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 Agenda At Once and try to save it in another file format, also supported by Agenda At Once.