You can force sync data in Moon Invoice easily by following the steps below.

1. Open the Moon Invoice app on your device, or download it from the appropriate link based on your operating system (iOS Mac Android Windows).
2. Take a backup of your current data and keep it in a safe place. You can do this from the Settings ➜ Backup and Restore ➜ Create a New Backup.
3. Once the backup is complete, click on Delete All Data, then select Delete Current Device Data.
4. Wait for the Sync to complete.

Note: 

If everything appears correct on the on Web Version, proceed to perform a force sync on the application. These steps apply only if you’re using Moon Sync. This won’t work for local storage.