You can copy this file to an external drive for safekeeping. On the File Save dialog box, navigate to the location where you want to save your customizations backup, enter a name for the file in the File name edit box, and click Save. At the bottom of the Customize Ribbon screen on the Word Options dialog box on the right click Import/Export and select Export all customizations. To backup your customizations, right-click on the Ribbon again and select Customize the Ribbon. You can also backup your custom tabs so you can re-import them if you have to reinstall the Word (or other Office programs) or if you want to move the same customizations to a different computer for example, if you have to replace your computer.
The new tab displays on the Ribbon, providing convenient access to the commands you use most often. When you have added all the groups and commands you want, click OK to accept your changes and close the Word Options dialog box.
NOTE: You can use the up and down arrow buttons to rearrange the commands within the groups on your tab as well. You can also add commands by selecting the group, then selecting the command and clicking Add. To add a command to the group on your tab, drag the command to right below the group name (or other command name) until you see a horizontal bar.