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Office Compatibility Issues

How to Fix Excel Date Picker Compatibility in 32-Bit and 64-Bit Office

Anum MushtaqAnum Mushtaq Oct 21, 2026 868 views

Question details

Users experience compatibility issues when sharing workbooks containing ActiveX date pickers across different architectures (32-bit and 64-bit) and operating systems.

How to Fix Excel Date Picker Compatibility in 32-Bit and 64-Bit Office
Product
Microsoft Excel
Device & OS
Windows, macOS
Scenario
Opening and interacting with a shared Excel workbook that contains a date picker control.
Observed behavior
The ActiveX date picker fails to load, functions incorrectly, or throws errors when opened in 64-bit Excel or Excel for Mac.
Before you start

Verify whether the users interacting with your shared workbook are using 32-bit Office, 64-bit Office, or Excel for Mac, and ensure that macro execution is enabled in their Excel Trust Center settings.

Solution 1Recommended

Replace the ActiveX Control with a VBA UserForm Date Picker

Implement a VBA UserForm date picker to ensure native compatibility across 32-bit Windows, 64-bit Windows, and macOS environments.

Legacy ActiveX controls are natively incompatible with 64-bit Office architectures and are entirely unsupported in Excel for Mac. By importing a VBA UserForm-based date picker, the tool becomes part of the workbook's underlying code.

This ensures the calendar functions seamlessly for anyone who opens the file, without requiring them to download local compatibility patches.

1
Remove the Existing ActiveX Control

Open your Excel workbook, navigate to the Developer tab, click on Design Mode, select the problematic ActiveX date picker, and press the Delete key to remove it.

2
Open the VBA Editor

Press ALT + F11 on your keyboard to open the Visual Basic for Applications (VBA) Editor.

3
Import a UserForm Date Picker

Right-click on your VBAProject in the Project Explorer pane on the left, select Import File, and browse for a pre-built UserForm date picker (.frm file) obtained from a trusted Excel developer resource.

4
Trigger the Date Picker via Code

Double-click the specific Worksheet module in the Project Explorer and insert a 'Worksheet_BeforeDoubleClick' event. Add the code to display your new UserForm (e.g., 'DatePickerForm.Show') when a specific cell range is double-clicked.

5
Save as a Macro-Enabled Workbook

Go to File > Save As, and change the file format to Excel Macro-Enabled Workbook (.xlsm) to ensure the VBA code is preserved when sharing.

Replace the ActiveX Control with a VBA UserForm Date Picker
No Additional Add-ins Required: Because the UserForm is embedded directly into the workbook's VBA project, other users will not need to install any external add-ins to use the date picker.
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Frequently Asked Questions

Why does my ActiveX date picker not work in 64-bit Excel?

ActiveX controls were originally designed for 32-bit system architectures. Microsoft has not updated many legacy ActiveX controls (like the MSCOMCT2.OCX MonthView control) for 64-bit compatibility, causing them to fail or display errors in 64-bit Excel environments.

Will a VBA UserForm date picker work in Excel for Mac?

Yes. Unlike ActiveX controls which are strictly tied to the Windows operating system, VBA UserForms are natively supported in Excel for Mac. As long as the user enables macros, the UserForm date picker will function correctly.

Do my colleagues need to install anything if I use a UserForm date picker?

No. When you build or import a UserForm date picker, it becomes embedded within the workbook's VBA project. Your colleagues only need to open the file and enable macros; no local add-ins or installations are required.

Does Microsoft Excel have a modern built-in date picker?

Microsoft has recently started rolling out a native, modern cell-based date picker in Excel for the Web and newer Microsoft 365 desktop builds. However, users on older perpetual licenses (like Office 2016 or 2019) will not have access to this feature, making VBA solutions still relevant for backwards compatibility.