ChatGPT vs Microsoft Copilot for Excel: Which AI Tool Is Better for Excel Users?

A SUMIFS formula returns zero, and nobody can say why. A sales sheet with 8,000 rows needs a summary before a meeting. A monthly task that takes an hour every time feels like it should run on its own. These are the moments when Excel users start asking an AI tool for help.

Two names come up most often. ChatGPT is a general AI assistant that works in a separate window. Microsoft Copilot is Microsoft's assistant, built into Microsoft 365 apps, including Excel. This article looks at ChatGPT vs Microsoft Copilot for Excel through everyday tasks such as formulas, data analysis, VBA and automation, so you can see where each one fits.

What Is ChatGPT for Excel?

ChatGPT for Excel means using ChatGPT as an assistant that sits outside Excel. You describe a problem in plain language, and it replies with a formula, an explanation, a block of VBA code or a suggested approach. You then apply the result in your workbook yourself.

What Can ChatGPT Do With Excel?

Can ChatGPT work with Excel? Yes, in the sense that it can help with almost any Excel question you can describe or paste. It does not sit inside your workbook by default. Whether it can read an attached file depends on the plan and tools you use.

Common uses include:

• Writing and explaining formulas
• Finding the reason behind an error
• Writing or explaining VBA
• Suggesting how to set up a PivotTable
• Recommending ways to clean messy data
• Explaining what an Excel function does
• Planning the layout of a report or dashboard

How Excel Users Can Use ChatGPT

Here are three requests that show how it works in practice.

A lookup. “I have employee IDs in column A of my main sheet and department names on another sheet. How can I use XLOOKUP to bring the department across?" ChatGPT can return a formula, explain each argument and suggest what to do when an ID is missing.

A formula that fails. “My SUMIFS returns zero, but I can see matching rows." A useful reply lists likely causes, such as numbers stored as text, extra spaces in the criteria or ranges of different sizes, and asks you to check each.

A macro. “Write a VBA macro that combines data from several worksheets into one master sheet." ChatGPT can draft the code and describe what each part does. The macro should still be tested on a copy of the file, which the VBA section covers.

Microsoft Copilot for Excel is the AI assistant inside Excel itself. It opens as a chat pane next to your workbook, so you ask about the data you are already looking at instead of describing it somewhere else.

Depending on the current version, Copilot can answer questions about supported data, point out trends, help with formulas, summarise a sheet and, in some modes, make changes to the workbook. You can explore these Copilot features through practical examples. 

Is Microsoft Copilot good for Excel?

It can be useful when your data is set up in a way it supports, such as a clearly headed Excel Table, and when your account has the right access. Not every user gets every feature. Availability depends on the Microsoft 365 plan, the account, organisation settings and the current product version, and the file may need to be saved in a supported location.

How Does Copilot Work in Excel?

The workflow is short: open the workbook, work with your data, ask Copilot for help, review the result and check the output. That last step matters. Copilot answers reflect how your data is laid out, so unclear headers or mixed data types can lead to unclear answers.

The main difference is where the help happens. ChatGPT works as a separate assistant, and you carry its answers into Excel. Copilot works inside Microsoft 365, next to the workbook. The biggest gap is not what each can write, but how you reach the help and how you apply it.

ChatGPT workflow: describe the problem, get a formula, code or explanation, then test it in Excel.

Copilot workflow: open the workbook, ask for help, review what Copilot analyzed or changed, then check it in Excel.

Consider a colleague who sends a workbook and asks why the totals look wrong. With Copilot, you open the file and ask about the totals directly. With ChatGPT, you would paste the formula, describe the columns and explain what you expected. The second route takes more setup, but it also works when the file is somewhere Copilot cannot reach, or when you only need to understand a concept.

Can ChatGPT create Excel formulas? Yes. Describe the result you want, the column layout and any special conditions, and it can write a formula. Copilot Excel formulas work similarly, with the advantage that Copilot can see the actual columns in a supported workbook.

Which AI is best for Excel formulas? There is no single answer. It depends on how much of your data the tool can see and how clearly you describe the task. Both handle common functions such as XLOOKUP, SUMIFS, COUNTIFS, IF and IFS, INDEX and MATCH, FILTER, UNIQUE, date formulas and text formulas.

Creating a Formula
Say a sheet lists orders with Region in column B and Revenue in column D, and you need total revenue for the West region in one month. A request that names the columns and the month gives an AI tool enough to write a SUMIFS with the right criteria. A vague request (“sum the West sales") often produces a formula that works only by luck.

Understanding a Complex Formula

AI is often more useful for explaining a formula than for writing one. Paste a long nested formula and ask for it to be broken into steps. A good explanation names what each function does, where the error comes from and whether the formula can be simplified.

Checking AI-Generated Formulas
Test every formula on a few rows where you already know the answer. Confirm that it handles blank cells, duplicates and text-formatted numbers. Formulas that feed important reports deserve a second check by hand.

Can Copilot analyse Excel data? Yes, for supported workbooks. It can summarise a table, compare figures and describe patterns. Can AI help with Excel data analysis more broadly? Yes, and ChatGPT can do so too when you paste sample data or attach a file where your plan allows it. Neither tool guarantees correct analysis, so results need checking.

Example: Analysing Monthly Sales Data

A company has monthly sales by product and region. The questions are which product sold the most, which region changed the most, what month-over-month growth looked like and whether anything looks unusual.

With Copilot, you can ask questions directly in the pane while your workbook is open. It can analyse the data, identify patterns and trends, explain results, and help you explore your workbook in more detail. For advanced Copilot analysis, you can use it to work with larger datasets and explore more detailed insights. 

Check a few answers against the actual numbers. If the “top product” result is wrong, common causes include duplicate rows, numbers stored as text, or unclear column headers. 

Can ChatGPT write Excel VBA? Yes. ChatGPT Excel VBA help is one of its most common uses, because you can describe a repetitive task in plain language and get working code back as a starting point. Copilot's VBA support is more limited, so check Microsoft's current documentation for your version before relying on it.

ChatGPT can help you:

• Write a macro. For example, combine data from several worksheets into one master sheet.
• Explain existing code. Paste an old macro and ask what each block does.
• Find likely errors. Syntax mistakes, wrong ranges, loop problems and broken object references are common.
• Modify a macro. Ask it to skip hidden sheets, add a date column or save the result as a PDF.
• Turn a repeated task into logic. Describe the steps you follow by hand and ask for the matching code.

A simple use case: every Friday you copy rows from five regional sheets into a summary sheet. A prompt that names the sheets, the columns and the destination gives ChatGPT enough to draft a macro.

Testing AI-Generated VBA

Run new VBA on a copy of the workbook first, never on the only version of an important file. Macros can delete data or overwrite cells, and there is no undo after a macro runs. Read the code before running it, and ask the AI to explain any line you do not understand. Anyone new to macros may want to read about how Excel VBA and macros work first, so the generated code makes sense.

Can AI automate Excel tasks? It can help you build or choose an automation, but Excel's own tools do the automating. Three methods cover most cases, and AI is useful mainly for working out which one fits.

Formulas. Automatic calculations, lookups and conditional logic. These update on their own when the data changes.

Power Query. Importing data, cleaning it, combining files and repeating the same transformations on each refresh.

VBA. Formatting reports, creating worksheets, running actions in order and other workbook-level tasks.

If you describe a repetitive task to either tool, it can suggest which method fits. For instance, combining 20 monthly CSV files usually points to Power Query, while formatting and exporting the result usually points to VBA. A comparison of Excel VBA vs Power Query explains that split in more detail. The AI can guide the choice and draft the steps, but you still need to understand the underlying tool to check its work.

Beginners tend to ask questions like these:

• Why is my formula returning an error?
• What does XLOOKUP do?
• How does a PivotTable work?
• How can I remove duplicates?
• How can I create a monthly report?

There is a difference between getting an answer and understanding it. An AI tool can give you a formula in seconds, but a person who pastes it without knowing how it works cannot fix it when the data changes. Asking “explain this formula line by line" or “why did you use INDEX and MATCH here?" builds knowledge that a bare answer does not.

ChatGPT can help with open-ended questions and follow-up explanations, while Copilot works within supported Excel workflows. If you want to explore how ChatGPT can be used beyond spreadsheets, a ChatGPT beginner course can help you understand its wider applications. If your goal is to improve your spreadsheet skills, a practical Microsoft Excel course can help you build a stronger foundation in Excel.

Yes. They are not exclusive, and some tasks suit a mix. A realistic workflow looks like this:

• Use Copilot to explore supported data inside Excel.
• Spot a formula, VBA or analysis problem.
• Ask ChatGPT to explain the problem or suggest another approach.
• Apply the solution in Excel.
• Check the result against the original data.

Organisational rules matter here. Some workplaces do not allow business data to be pasted into outside tools, so check your policy before sharing anything from a real workbook.

• AI can produce formulas that look right and give wrong results.
• Incomplete instructions lead to answers that miss the point.
• Large or complex workbooks may need extra context, such as sheet names and column meanings.
• Excel and AI features change over time, so an answer that was correct last year may be out of date.
• Copilot availability depends on the Microsoft 365 setup, account and organization settings.
• VBA needs testing on a copy before it touches important files.
• Important calculations should be verified by hand.
• Business or confidential data should be shared only as your organization's rules allow.

Slow files are a common cause of odd results, and AI cannot always see the reason. If a workbook is lagging, a guide on Why Excel is slow and how to speed up large spreadsheets covers that neither tool will spot on its own.

Which AI tool is better for Excel? It depends on the task, so a task-based view is more useful than a ranking.

Read the table as a starting point. ChatGPT appears where the work is mostly explaining or writing code, since that does not depend on the file being open. Copilot appears where the value comes from working on the workbook directly. Where the table says “either", the choice often comes down to which tool you can use in your workplace. The suitable option depends on the task, your workflow and the features in your current software setup.

Is ChatGPT better than Copilot for Excel?

Neither is better in every case. ChatGPT is often used to write formulas, explain them and draft VBA. Copilot works inside Excel on supported workbook data. The better choice depends on the task, your Microsoft 365 setup and whether you can share the data with an outside tool.

Can ChatGPT and Copilot analyze the same Excel data?

Both can help with data analysis, but the route differs. Copilot works on supported data inside the workbook. ChatGPT needs the data pasted in or a file attached, where your plan allows it. In both cases, check a few results against the raw numbers.

Which AI tool is best for Excel formulas?

There is no single best tool. Both can write and explain common formulas. Results depend on how clearly you describe the layout and goal. Test every formula on rows where you already know the answer before using it in a report.

Can Copilot write VBA?

Copilot's VBA support is limited compared with how ChatGPT is commonly used for macros, and features change often. Check Microsoft's current documentation for your version. Whichever tool drafts the code, test it on a copy of the workbook first.

Do I need a paid plan to use AI with Excel?

It depends on the tool and the feature. Copilot in Excel varies by Microsoft 365 plan, account type and organisation settings, and ChatGPT features such as file upload can vary by plan. Check both providers' current plan details before choosing.

Is it safe to share company data with AI tools?

It depends on your organization's rules and the tool's data settings. Some companies restrict pasting business data into outside tools, and others approve specific ones. Check your policy first, and remove sensitive details from any sample data you share.

Final Takeaway

ChatGPT can help with Excel formulas, explanations, VBA, troubleshooting and wider problem-solving. Copilot brings AI help into supported Microsoft 365 and Excel workflows. Both can help with data tasks, and how useful each one is depends on the task and on the features your setup offers.

Whichever tool you use, verify the formulas, the analysis and the automation before relying on the result.