I just did a search for it and found the answer. I will cut and paste it anyway in case anyone else wants to see.
Please back up your data as often as possible. To back up your data in Gopher 2003 click on the top left of the screen FILE | BACKUP DATABASE. A Gopher backup window will appear. Click the folder button to the right where it says "Backup Filename." Choose where you want to send your backup. Most times it will be your a: drive. Once you do this, click the "backup" button located at the bottom right of that window.
If any errors appear, click the 'disable message result' checkbox.
If your backup is successful, you will see a window pop up that tells you the backup is complete.
If you are going to be burning your database onto a cd, use the cd burning software that you have installed on your system already and chose the database Gopher2003.gdb. If you cant find where your database is located, click on the Options section at the lower left of the green bar within Gopher and then choose the database tab at the top. This will show you where your database resides.