Attachment Issues

How to Fix Adobe Send and Track File Type Errors in Outlook

Huda QurayshiHuda Qurayshi Oct 28, 2026 869 views

Question details

Users are encountering recurring incompatible file type errors when using the Adobe Send and Track plug-in.

How to Fix Adobe Send and Track File Type Errors in Outlook
Product
Microsoft Outlook
Device & OS
not provided
Scenario
Attaching or sending files via Microsoft Outlook using the Adobe Send and Track extension.
Observed behavior
The plug-in continuously reports an incompatible file type and displays changing errors that persist until the Outlook application is manually restarted.
Before you start

Ensure you have administrative privileges to uninstall and install software on your computer, and save any draft emails in Outlook before beginning the troubleshooting process.

Solution 1Recommended

Perform a Clean Reinstallation of Adobe Acrobat

Use the official Adobe Cleaner Tool to completely remove existing corrupted application files and install a fresh copy of Acrobat.

Often, standard uninstallation leaves behind registry keys and corrupted files that continue to cause plug-in conflicts in Outlook. Using the dedicated cleaner tool ensures a completely clean slate before reinstalling.

1
Run the Adobe Cleaner Tool

Download the official Adobe Acrobat Cleaner Tool from the Adobe Developer site. Run the executable file and follow the on-screen prompts to completely remove the application.

2
Restart Your Computer

Once the cleaner tool finishes, reboot your machine to ensure all cached files and background processes related to Acrobat are fully terminated and cleared.

3
Reinstall Adobe Acrobat

Visit the official Adobe Acrobat DC downloads page to download the latest installer. Run the setup file to install a fresh, updated version of the software on your system.

Perform a Clean Reinstallation of Adobe Acrobat
Check Other Users: If you are on a corporate network, check if other team members are experiencing the same issue to determine if it is a localized installation error or an organizational policy conflict.
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Frequently Asked Questions

Why does the Adobe Send and Track plug-in show file type errors?

These errors typically occur due to corrupted plug-in installation files, an outdated version of Adobe Acrobat, or a caching conflict within Outlook's COM Add-ins directory.

How can I temporarily disable the Adobe Send and Track add-in?

Open Microsoft Outlook, go to File > Options > Add-ins. At the bottom of the window, select 'COM Add-ins' from the Manage dropdown and click Go. Uncheck the box next to the Adobe Send and Track add-in and click OK.

Does running the Adobe Cleaner Tool delete my personal PDF files?

No, the cleaner tool is designed exclusively to remove the installation files, registry entries, and application data of Adobe software. Your personal PDF documents and files remain completely safe and untouched on your hard drive.