If you're experiencing QuickBooks Error 6175 0 and have decided to restore your data from a backup, there are a few steps you'll need to follow.

First, open QuickBooks and select "File" from the menu. Then, choose "Open or Restore Company" and select "Restore a backup copy." Follow the prompts to locate and select your backup file.

If you're restoring a backup from a different computer or location, you'll need to copy the backup file to the new location first.

Once you've selected your backup file, follow the prompts to complete the restore process. It's important to note that restoring a backup will overwrite any data that's currently in your QuickBooks company file, so make sure to backup your current data before proceeding.

If you're still experiencing issues after restoring your backup, you may need to contact QuickBooks support for further assistance. Remember to always backup your data regularly to avoid data loss and ensure that you can easily restore your data in case of any issues.