When you save the backup, give it a unique name so it's easy to identify. This also prevents accidental overwrites.
Save the backup somewhere you can easily find it, like your Windows desktop. Note: If your company file is hosted on a network, save the backup on your computer's local hard drive. Don't save it on your network.
Follow the steps to restore the backup to the new folder or location. Remember, it should have a unique filename.
You can check these articles for future reference on desktop file locations: