Attachment Issues

Fix Adobe Acrobat DC Cannot Send Email Attachments Through Outlook

Algirdas JasaitisAlgirdas Jasaitis Nov 2, 2026 869 views

Question details

The user is unable to send PDF attachments directly from Adobe Acrobat DC using Microsoft Outlook, encountering an email error despite default configurations.

How to Fix Adobe Acrobat DC Cannot Send Email Attachments Through Outlook
Product
Adobe Acrobat DC, Microsoft Outlook
Device & OS
not provided
Scenario
Attempting to share or email a PDF document directly from the Adobe Acrobat DC interface via the Outlook desktop application.
Observed behavior
Acrobat displays an email error and fails to attach the document to an Outlook draft, even after repairing Office and setting Outlook as the default mail client.
Before you start

Ensure that your Microsoft Outlook application is fully updated, currently open, and actively logged into your email account before attempting to share files from Acrobat.

Solution 1Recommended

Configure Outlook as the Default Mail Client in Windows and Acrobat

Ensuring Outlook is explicitly set as the default email application across both your operating system and Adobe Acrobat preferences usually resolves the communication error.

Even if Outlook appears to be the default application, a mismatch in Windows system settings or Adobe's internal email preferences can block the attachment process.

1
Set Windows Default Apps

Open Windows Settings, navigate to 'Apps' > 'Default apps', select 'Email', and explicitly choose Microsoft Outlook from the list.

2
Update Acrobat Preferences

Open Adobe Acrobat DC. Click 'Edit' in the top menu, select 'Preferences', and choose 'Email Accounts' from the left sidebar. Ensure Microsoft Outlook is listed and marked as the 'Default' email application.

3
Restart Both Applications

Completely close both Adobe Acrobat and Microsoft Outlook, then relaunch them to ensure the new default settings are applied correctly.

Configure Outlook as the Default Mail Client in Windows and Acrobat
Keep Outlook Running: Make sure the Outlook desktop application is running in the background when you try to send the email from Acrobat to ensure a smooth handoff.
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  1. 1. Open your PDF in WPS: Launch WPS Office and open the PDF document you wish to share.
  2. 2. Access the Share feature: Click on the 'Menu' button and navigate to 'Share' or click the 'Email' icon located directly on the top toolbar.
  3. 3. Send via Email: Select 'Email' to automatically draft a new message in your default mail client with the PDF attached securely.
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Frequently Asked Questions

Why does Adobe Acrobat say 'no default mail client' when Outlook is installed?

This error occurs if Outlook is installed but not recognized as the default mail application in your Windows Default Apps settings, or if Acrobat's internal email preferences are misconfigured.

Can I use webmail like Gmail instead of Outlook to send PDFs from Acrobat?

Yes, in Adobe Acrobat you can go to Edit > Preferences > Email Accounts and add your webmail account directly. This allows you to send PDFs using Gmail or Yahoo without needing a desktop client like Outlook.

Does repairing Microsoft Office fix the Acrobat email attachment error?

While repairing Microsoft Office can fix general Outlook registry issues, it may not resolve the Acrobat error if the root cause is a version incompatibility between an older Adobe release and newer Microsoft 365 updates.