Function Problems

How to Export Excel LAMBDA Functions to an AFE Module

Huma Ashraf ChHuma Ashraf Ch Nov 11, 2026 869 views

Question details

The user wants to export workbook-level LAMBDA functions, including their comments, directly into an Advanced Formula Environment (AFE) module.

How to Export Excel LAMBDA Functions to an AFE Module
Product
Microsoft Excel
Device & OS
not provided
Scenario
Managing complex custom functions using the Advanced Formula Environment add-in.
Observed behavior
Excel stores workbook-level LAMBDA functions as defined names but lacks a native tool to bulk export these definitions into an AFE module.
Before you start

Before proceeding, ensure your Advanced Formula Environment add-in is updated to the latest version, and create a backup of your workbook to prevent accidental deletion of your defined names during manual migration.

Solution 1Recommended

Consult GitHub Workarounds for AFE

Since there is no native export feature, the best approach is to check the AFE GitHub repository for community workarounds or to submit a feature request.

Currently, Excel does not offer a built-in method to migrate workbook-level defined names (LAMBDA functions) directly to the Advanced Formula Environment (AFE) module.

1
Open the official GitHub repository

Navigate to the Microsoft Garage GitHub repository for the Excel Advanced Formula Environment.

2
Search for the import issue

Look for the specific issue thread titled 'Import module from Name Manager'. Here, you can find scripts or manual steps shared by the developer community.

3
Contact the AFE Team

If you have advanced import or export requirements, submit a new feature request or comment directly on the GitHub page to reach the development team.

Consult GitHub Workarounds for AFE
Manual Copying Workaround: As a temporary solution, you can manually open the Name Manager via Formulas > Name Manager, copy the LAMBDA formula text for each defined name, and paste it into a new AFE module.
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Frequently Asked Questions

What is a LAMBDA function in Excel?

The LAMBDA function allows users to create custom, reusable functions in Excel without using VBA. These functions are traditionally saved and managed in the Name Manager.

What is the Advanced Formula Environment (AFE)?

AFE is a Microsoft Garage add-in for Excel that provides a dedicated, advanced text editor for creating, managing, and sharing complex LAMBDA functions and formula modules.

Can I manually move LAMBDA functions to AFE?

Yes, you can manually open the Name Manager, copy the formula definition and comments of each LAMBDA function, and paste them directly into a new AFE module workspace.

Will AFE support importing from Name Manager in the future?

The AFE development team actively tracks user feedback on GitHub. Reviewing the 'Import module from Name Manager' issue on their repository is the best way to monitor updates regarding this specific capability.