Knowing these details will help me tell you if that version will run or if you need a bridge to the current version.
It allows for comprehensive data storage, including names, dates, places, notes, media (photos, documents), and research logs. Reunion-0.55-mac.zip
Reunion 14 is fully compatible with data from earlier versions (5-13), offering a direct upgrade path. Knowing these details will help me tell you
If you are looking at an older version (0.55), it likely predates Mac OS X or is from the early days of it. For modern usage and maximum stability, the current Reunion 14 is recommended. the current Reunion 14 is recommended.