Excel Feature Differences by Platform and Version Guide
Question details
The user needs a comprehensive comparison of Excel features across different platforms and versions, specifically regarding Power Query, macros, add-ins, functions, and ActiveX controls.

- Product
- Microsoft Excel
- Device & OS
- Windows, Mac, Web
- Scenario
- Evaluating different Excel platforms to determine which version supports required advanced tools like VBA macros, ActiveX, and Power Query.
- Observed behavior
- Feature sets vary heavily between Excel for the Web, Mac, standalone 2021, and Microsoft 365 Desktop, causing confusion when opening files across different environments.
Identify which specific advanced Excel features, such as VBA macros, Power Query integrations, or COM add-ins, are critical to your daily workflow before choosing a primary platform.
Microsoft 365 Desktop vs. Excel for the Web
Understand the major differences between the full desktop client and the lightweight web browser version of Excel.
Microsoft 365 Desktop provides the most comprehensive feature set, while Excel for the Web is designed for quick edits, basic data entry, and seamless co-authoring without installation.
Excel for the Web cannot create, run, or edit VBA macros. You must use the Microsoft 365 Desktop application to execute macro-enabled (.xlsm) workbooks.
While you can refresh some existing Power Query connections in Excel for the Web, you cannot create complex queries or connect to local data sources without the desktop app.
COM add-ins are strictly supported on the Windows Desktop version. Excel for the Web only supports modern Office web add-ins installed via the Office Store.

Windows Desktop vs. Excel for Mac
Identify the limitations when moving spreadsheets from a Windows PC to an Apple Mac environment.
Microsoft 365 Subscription vs. Excel 2021
Determine the functional differences between the subscription model and the one-time standalone purchase.
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Frequently Asked Questions
Can I run macros in Excel for the Web?
No, Excel for the Web does not support creating, running, or editing VBA macros. You must open the workbook in the Microsoft 365 Desktop application to execute macro-enabled files.
Are all new Excel functions available in Excel 2021?
Excel 2021 includes functions introduced up to its release date, such as XLOOKUP and basic dynamic arrays. However, it does not receive any newly released functions, which are exclusively pushed to Microsoft 365 subscribers.
Does Power Query work on Excel for Mac?
Yes, Power Query is supported on Excel for Mac, but it is not completely identical to Windows. It supports refreshing data and authoring queries, though it may lack some of the specialized data connectors found in the Windows desktop version.
Will ActiveX controls work if I send my file to a Mac user?
No. ActiveX controls are a proprietary Windows technology. Any buttons, forms, or scripts relying on ActiveX will fail to render or function on Excel for Mac.




