What files should I back up for my year-end processes?

• It’s always recommended that you make regular full backups of your data. This is the best method to ensure you have the information you need if a data restore has to be done.
• When performing a backup in Sage 50—U.S. Edition the entire database will be backed up. There are no partial backups in Sage 50.

When should I make the backup of my data?

As a best practice your Sage 50 data should be backed up daily.

How do I make the backup?

See How to make a backup.