VBAGPT - Ultra Light GPT Interface for Excel

A lightweight Excel add-in that integrates GPT functionality directly into your spreadsheets using VBA.

Features

• Seamless GPT Integration: Access GPT capabilities directly within Excel
• Custom Functions: Use CALLGPT() and markdown conversion functions
• Easy Setup: Simple installation process
• Cross-Platform: Works on Windows (tested) and macOS

Installation Guide

Step 1: Download the Add-in

Download the VBAGPT.xlam file directly from our repository:

Download VBAGPT.xlam

Note: Screenshot showing the download button or link will be added here.

Step 2: Locate Your Excel Add-ins Folder

The Excel Add-ins folder location varies depending on your Excel version and operating system:

Windows

• Excel 2016/2019/365 (Tested): C:\Users\[YourUsername]\AppData\Roaming\Microsoft\AddIns\
• Excel 2013: C:\Users\[YourUsername]\AppData\Roaming\Microsoft\AddIns\
• Excel 2010: C:\Users\[YourUsername]\AppData\Roaming\Microsoft\AddIns\

macOS (Not Tested)

• /Users/[YourUsername]/Library/Group Containers/UBF8T346G9.Office/User Content.localized/Add-ins/

Step 3: Copy the Add-in File

1. Navigate to your Excel Add-ins folder
2. Copy the downloaded VBAGPT.xlam file to this folder
3. You can either:
   • Drag and drop the file directly into the folder
   • Copy and paste the file into the folder

Note: Screenshot showing the drag and drop operation or copy/paste process will be added here.

Step 4: Enable the Add-in in Excel

1. Open Excel
2. Go to File → Options → Add-ins
3. Click Go next to "Manage: Excel Add-ins"
4. Click Browse and navigate to your Add-ins folder
5. Select VBAGPT.xlam and click OK
6. Check the box next to "VBAGPT" in the Add-ins list
7. Click OK to confirm

Configuration

Before using the add-in, you need to configure your API settings:

Setting API Configuration

Set the following named values in your Excel workbook:

Name	Value	Description
OPENAI_API_KEY	your-api-key	Your OpenAI API key
OPENAI_MODEL	gpt-4o-mini	The GPT model to use

Usage

Available Functions

CALLGPT(prompt)

Calls the GPT API with the specified prompt and returns the response. The function only takes in strings, so build your prompt in a help cell, then pass to ChatGPT.

Example:

=CALLGPT("Summarize the following data" & A1)

TABLETOMARKDOWN(table)

Converts a table to markdown format with headers.

Example:

=TABLETOMARKDOWN(A1:D10)

RANGETOMARKDOWN(range)

Converts a range to markdown format.

Example:

=RANGETOMARKDOWN(A1:D10)

Troubleshooting

Add-in Not Appearing

• Ensure the file is in the correct Add-ins folder
• Check that the file extension is .xlam
• Restart Excel after copying the file

Security Warnings

• Excel may show security warnings for add-ins
• Click Enable Content when prompted
• You may need to add the Add-ins folder to your trusted locations

File Not Found

• Verify the download completed successfully
• Check that the file size matches the expected size
• Try downloading the file again if necessary

Requirements

• Excel: 2010 or later
• Internet Connection: Required for GPT API calls
• OpenAI API Key: Get yours from OpenAI Platform

Support

For issues and questions, please check the troubleshooting section above or create an issue in the repository.

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Note: This add-in requires an active internet connection to function properly, as it interfaces with GPT services. You must provide your own OpenAI API key.