By default TiddlyWiki will make backups with each 'Save Changes' in the right hand sidebar.
You can't save from the browser's internal File -> Save as.. (crl-s) dialog.
See: TiddlyWiki has been incorrectly saved
For limiting the number of backups there are different plugins available.
See: Backups
You can make copies of TiddlyWiki files from your file system too.
You can't save from the browser's internal File -> Save as.. (crl-s) dialog.
See: TiddlyWiki has been incorrectly saved
For limiting the number of backups there are different plugins available.
See: Backups
You can make copies of TiddlyWiki files from your file system too.