In the Revit.ini file, the settings in the [Backups] section correspond to settings on the General tab of the Options dialog. See also Backup and Journal Files and Setting Save Reminders.
Corresponds to the setting for When number of journals exceeds under Journal File Cleanup.
Type = integer
Default value = 10 (journal files)
Corresponds to the setting for Delete journals older than X days under Journal File Cleanup.
Type = integer
Default value = 10 (days)
Corresponds to the Save reminder interval setting under Notifications.
Type = integer
Default value = 30 (minutes)
Corresponds to the Synchronize with Central reminder setting under Notifications.
Type = integer
Default value = 30 (minutes)
[Backups] SaveReminderMinutes=60 SaveToCentralReminderMinutes=15 JournalShelfCapacity=5 JournalShelfLife=6