Office for Mac Issues

Fix Word for Mac Cannot Send Documents by Email

Kushani NimanthikaKushani Nimanthika Oct 9, 2026 870 views

Question details

Users are unable to send documents directly from Word for Mac using the built-in email sharing features.

How to Fix Word for Mac Cannot Send Documents by Email
Product
Word for Mac
Device & OS
macOS
Scenario
Attempting to use the 'Send Document' or 'Send a Copy' feature under the Share menu in Word for Mac.
Observed behavior
The email draft fails to generate or the sharing action is ignored because an unsupported third-party email application, such as Spark Desktop, is set as the system's default email reader.
Before you start

Ensure you have Apple Mail or Microsoft Outlook installed and configured with your email account on your Mac before proceeding.

Solution 1Recommended

Change the Default macOS Email Reader

Configure your Mac to use Apple Mail or Microsoft Outlook as the default email reader, which are fully supported by Word for Mac.

Word for Mac utilizes the default email reader configured in macOS to process the 'Send Document' and 'Send a Copy' commands. Unfortunately, it does not support several third-party mail applications like Spark Desktop.

Due to macOS system design, this system-wide setting must be modified directly inside the Apple Mail application, rather than through standard Mac System Settings.

1
Open Apple Mail

Launch the Apple Mail application from your Mac's Dock or the Applications folder.

2
Access Mail Settings

In the top menu bar, click on 'Mail' and select 'Settings' (or 'Preferences' on older versions of macOS).

3
Change the Default Reader

Navigate to the 'General' tab. Locate the 'Default email reader' dropdown menu and change the selection to either 'Apple Mail' or 'Microsoft Outlook'.

4
Restart Microsoft Word

Completely quit Microsoft Word. Reopen the application, open your document, and navigate to File > Share > Send Document to successfully email your file.

Change the Default macOS Email Reader
Settings Location: Even if you prefer to use Microsoft Outlook, you must open the Apple Mail app to change the default macOS email reader setting.
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Frequently Asked Questions

Why doesn't Word for Mac support third-party email apps like Spark?

Word for Mac relies on specific macOS native protocols and AppleScript hooks to hand off attachments. Many third-party email clients do not fully support these macOS-specific communication protocols, causing the handoff from Word to fail.

Can I change the default email reader from my Mac System Settings?

No. In macOS, the default email reader setting is uniquely managed within the Apple Mail application itself. You must open Apple Mail, go to Settings, and change it under the General tab.

What should I do if 'Send Document' is greyed out in Word?

If the option is greyed out, first verify that your document is fully saved either locally or to a cloud location. Then, ensure you have an active email account set up in your designated default email client (Apple Mail or Outlook).