How to Fix Acrobat Cannot Send or Share PDF Documents by Email
Question details
The user is unable to share or email PDF documents from Adobe Acrobat after a macOS or software update, receiving an error that Sendmail is not loaded.

- Product
- Adobe Acrobat
- Device & OS
- macOS
- Scenario
- Attempting to send a PDF for comments or share it directly via the built-in email features in Acrobat.
- Observed behavior
- The Email, Share, and Send for Comments options fail to function, and an error message appears stating that Sendmail is not loaded.
Before proceeding with software reinstallation, verify that your default email application (such as Apple Mail or Outlook) is properly configured and can send standard emails on your Mac.
Update and Reinstall Adobe Acrobat
Updating to the latest version or performing a complete reinstallation often resolves the Sendmail error and restores the email sharing feature.
The 'Sendmail is not loaded' error usually indicates a broken connection between Adobe Acrobat and your Mac's default email client. Updating the software or reinstalling it will refresh these system integrations.
Open Adobe Acrobat, navigate to the 'Help' menu in the top toolbar, and click on 'Check for Updates'. Install any pending updates and restart your Mac.
If updating doesn't resolve the issue, open the Applications folder on your Mac, locate Adobe Acrobat, and use the official uninstaller or move it to the Trash.
Download the latest version of Acrobat from the official Adobe website and run the installer. Once installed, test the email sharing feature again.

Use WPS Office for Seamless PDF Management
If you frequently encounter sharing or compatibility errors in Adobe Acrobat, consider using WPS Office. It provides a lightweight, highly compatible alternative for viewing, editing, and effortlessly sharing your PDF documents.
- 1. Download WPS Office: Visit the official WPS website and download the application for your operating system.
- 2. Open Your PDF: Launch WPS Office and open the PDF document you want to share.
- 3. Share via Email: Click the 'Share' icon in the top toolbar to automatically attach the PDF to a new email message.

Frequently Asked Questions
Why does Acrobat say 'Sendmail is not loaded'?
This error typically occurs when Acrobat loses its connection to the default macOS email client, often triggered by a recent operating system or application update.
How do I set my default email application on Mac?
Open the Apple Mail app, go to Settings (or Preferences) from the Mail menu, select the General tab, and choose your preferred application from the 'Default email reader' dropdown list.
Can I share the PDF if the built-in Acrobat button is broken?
Yes. As a temporary workaround, you can save the PDF to your Mac's hard drive, manually open your email application, create a new message, and attach the saved PDF file directly.




