When you purchase a license—often directly via MITCalc Pricelist and Purchase —you will receive your authorization code via email, usually within 48 hours. Here is exactly how to apply your code:
: Open the authorization dialog in MITCalc and enter your specific Authorization Code into the designated box. Accuracy is Key : It is highly recommended to copy and paste (Ctrl+C, Ctrl+V) the code to avoid manual entry errors. System Date Check : Ensure your computer's system date and time
: Macros are not working or you see a VBA error message when activating radio buttons. mitcalc authorization code upd
"Mitcalc authorization code upd" refers to the process of obtaining a new Authorization Code (after purchasing or renewing a license) and applying it to the software to extend or update your licensed access.
Launch Microsoft Excel and open any MITCalc calculation sheet. Navigate to the sheet tab. Near the upper portion of the screen, click the button labeled "Authorization dialog" . 2. Enter the Code Safely When you purchase a license—often directly via MITCalc
Purchase a renewal or upgrade license key directly from the MITCalc Price List page or via an authorized distribution partner. The developer team securely delivers the code to your registered email address.
If you run into issues during the license update process, check for these common problems: Code Rejection or Failure Prompts System Date Check : Ensure your computer's system
Once your payment is processed, your updated code is typically delivered via email within a few hours, and at most within 48 hours. Step-by-Step: Updating the Code in MITCalc
A MITCalc authorization code is a secure string of characters provided to you upon purchasing a license. Because MITCalc uses software-based license protection rather than a physical USB dongle, your authorization code dictates exactly which modules you can use and how long your license is valid.
In Excel 2010 through Excel 365 / 2024: Go to and ensure VBA execution is permitted. Re-link the Global Add-In ( mitcalc.xla )