The license key takes the form of 79F7-C8-XX-XX-XXXX, and, we send the license key in a separate email at the time of your NumXL purchase or, for trial users, with your 14-day free trial request email.
Furthermore, you may use NumXL License manager to look up your license key using your email address.
Step 1: Launch NumXL license manager from start menu
Step 2: Click on Lookup key button
Step 3: Enter your name and email address
Step 4: A confirmation message pops up
Step 5: After a few minutes, you should receive an email with the license key associated with the email address. Please, check your inbox and/or spam folders.