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Office Settings & Configuration

How to Make Excel Send Workbook Copies Through New Outlook

Ayan MasoodAyan Masood Sep 25, 2026 870 views

Question details

Users want the Excel 'Send a Copy' command to open email drafts in the new Outlook application rather than classic Outlook.

How to Make Excel Send Workbook Copies Through New Outlook
Product
Microsoft Excel and Outlook
Device & OS
not provided
Scenario
Attempting to share an Excel workbook via email using the built-in 'Send a Copy' command.
Observed behavior
Excel opens the email draft in classic Outlook instead of the new Outlook, and messages may get stuck in the Outbox if classic Outlook is closed.
Before you start

Ensure you have both classic Outlook and the new Outlook installed on your device, and verify your default mail app settings in Windows.

Solution 1Recommended

Toggle the 'Try New Outlook' Option in Classic Outlook

Use this method to refresh the integration settings between Excel and your installed Outlook applications.

Sometimes, Microsoft Office applications hold onto legacy MAPI integrations, causing Excel to launch classic Outlook. Toggling the new Outlook switch from within the classic app can help update these integration paths.

1
Close the new Outlook

Make sure the new Outlook application is completely closed and not running in the background.

2
Open classic Outlook

Launch the classic version of Microsoft Outlook from your Start menu or taskbar.

3
Enable the new Outlook toggle

Locate and turn on the 'Try the new Outlook' toggle switch, usually found in the top right corner of the classic Outlook window.

4
Restart applications

Close all Outlook windows. Open your Microsoft Excel workbook and test the 'Send a Copy' command again.

Integration Limitation: If Excel still launches classic Outlook after following these steps, the current Excel version may not yet fully support the new Outlook for this specific feature.
Free Microsoft Office alternative

Use WPS Office for Reliable Default Mail App Integration

Since Excel's built-in email features sometimes struggle to recognize the new Outlook due to legacy Microsoft Office protocols, try WPS Office. It is a free, lightweight alternative that seamlessly integrates with your system's default email client, avoiding classic Outlook conflicts.

  1. 1. Download WPS Office: Install WPS Office for free from the official website.
  2. 2. Open your spreadsheet: Open your existing .xlsx workbook in WPS Spreadsheet.
  3. 3. Share via Email: Click 'Menu' > 'Share' > 'Email' to instantly attach your file using your system's default email app without legacy conflicts.
Fully compatible with Microsoft Excel (.xlsx) formatsRespects system default email client settings for seamless sharingLightweight, fast-loading, and completely free to use
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Frequently Asked Questions

Why do my Excel emails get stuck in the Outbox?

This occurs because Excel routes the 'Send a Copy' request to classic Outlook. If classic Outlook is closed, it cannot process the Outbox queue, leaving the message unsent.

Does setting the new Outlook as the default Windows mail app fix this?

Not always. Some legacy Office commands rely on older MAPI protocols that bypass Windows default app settings and specifically call for classic Outlook.

Will Microsoft fix the 'Send a Copy' integration for new Outlook?

Microsoft is gradually migrating features to support the new Outlook. Until a specific update addresses the 'Send a Copy' command, users may need to manually attach workbooks to emails within the new Outlook app.