Pages refuses to open the document. So how can you gain access to its previous versions?
Revisionist
Comprehensive utility for working with macOS document revisions, now running native on Intel and Apple Silicon Macs.
Why documents can lose their old versions when moving them around, and what you can do to preserve them.
Nine more free apps available as Universal binaries, from Cirrus to xattred.
Document versions can be invaluable, being between Undo and your backups. But they’re also easy to lose. Here’s how to keep them.
Time Machine seems to be the only backup system which also backs up the Versioning database on each volume. Is that useful though?
Using the Up and Down Arrow keys to select a version now works properly. Recommended for all users.
A minor fix for compatibility with Catalina betas, where it now reports the correct size of the version database.
Over 9 months ago, document versioning became available across iCloud Drive, but had several major flaws. How has it improved since?
Recommended update, as it lets you change the size of most of its text, and saves window position and size. Compatible with Catalina too.
The Eclectic Light Company 