I need to reformat my computer. Will my unlock code still work after reformatting.

Please deactivate your software first before formatting your computer. This will enable you to install and activate again after formatting.

To deactivate please follow the steps below:
From MIcrosoft Outlook, select the Tools menu.
Choose Standss
Choose QuickFile.
Click About QuickFile.
Click the Deactivate button to deactivate