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Excel

Updated Sep 27, 2026

Encountering a #NAME? error

If a TagniFi value in your model exhibits the #NAME?  error code on recalculation, this means that there is a communication issue between Excel and the TagniFi add-in.

The following troubleshooting steps can be attempted to rectify this issue, and restore the broken value(s) in your model.

Option 1: Ensure TagniFi for Excel is installed

  1. 1From the Home ribbon, select the Add-ins button.

  1. 1If TagniFi for Excel is shown in the My Add-ins section, the add-in is installed, and you can proceed to other troubleshooting options. If not, see Installing the TagniFi for Excel Add-In to complete the installation.
  2. 2Once installed, open the TagniFi ribbon tab and select the Refresh button to recalculate all TagniFi values. Log in with your TagniFi credentials if/when prompted.
  3. 3Once the refresh procedure has completed, check that the affected TagniFi cells have been updated to display correct values.

Option 2: Reinstall the TagniFi add-in

If the TagniFi add-in is already installed, you may be able to resolve the issue by removing and re-installing the add-in.

  1. 1Remove the current installation using the following guide: Removing The TagniFi Excel Add-In
  2. 2Reinstall the add-in using the following guide: Installing the TagniFi for Excel Add-In
  3. 3Once reinstalled, open the TagniFi ribbon tab and select the Refresh button to recalculate all TagniFi values. Log in with your TagniFi credentials if/when prompted.
  4. 4Once the refresh procedure has completed, check that the affected TagniFi cells have been updated to display correct values.

Option 3: Re-launch the add-in

If reinstalling the add-in doesn't work, you can attempt to re-launch the add-in in your current model/workbook.

  1. 1From the Home ribbon, select the Add-ins button -> More Add-ins.
  2. 2From the Apps window, search for "tagnifi".

  1. 1Select the TagniFi for Excel result. Then select Open.

  1. 1You should see a confirmation that the add-in has started.

  1. 1Once re-launched, open the TagniFi ribbon tab and select the Refresh button to recalculate all TagniFi values. Log in with your TagniFi credentials if/when prompted.
  2. 2Once the refresh procedure has completed, check that the affected TagniFi cells have been updated to display correct values.

Option 4: Perform a data fix

If the previous options do not restore your TagniFi values, you can attempt to manually trigger a data fix procedure.

  1. 1Open the TagniFi ribbon tab and select the Account button. From the Account page, select Settings.

  1. 1Click Fix data. This perform the data fix procedure on all workbook values and may take a few minutes to complete.

  1. 1Once the procedure has completed, check that the affected TagniFi cells have been updated to display correct values.
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