Then do another MONEYDANCE – EXPORT BACKUP. Copy this backup file with the with naming convention yourdatasetname-yyyymmdd-tttt.moneydancearchive to your external drive.
Click HELP – SHOW DOCUMENT FOLDER, this will open a file finder in the default location for you data set. Close Moneydance. your data set is not a file it’s a folder (I think it’s called a bundle on Mac) containing other folders and files. Your data set folder has the naming convention yourdatasetname.moneydance copy this folder and all its contents to your external drive.
Open Moneydance. Assuming this is the first time you have opened it; it should open in the welcome window Click “Account a new account set” and set up a dummy account so you can then click HELP – SHOW DOCUMENT FOLDER. This will open a file finder in the default data set location. Close Moneydance. Copy your data set folder is to this location from your external drive.
Open Moneydance then MONEYDANCE – OPEN, your data set should be listed.
Use the same key to register Moneydance.
To ensure auto backup is working under PREFERENCES – BACKUPS. From time to time check new backups are being created.