How to open .zip attachments in Adobe Reader

Adobe Reader does not allow opening .zip file attachments directly from Adobe Reader. Attachments represent a potential security risk because they can contain malicious content, open other dangerous files, or launch applications. However, if you need this option there is a workaround to enable it by editing registry data:

1. Click Start and find Run application

2. In the Open box type "regedit" and click OK to open Registry Editor

3. In Registry Editor navigate to the following registry key: HKEY_LOCAL_MACHINE\software\policies\adobe\AdobeAcrobat\DC\FeatureLockDown\cDefaultLaunchAttachmentPerms

4. Double-click on sBuiltInPermList

5. In the Value data field, locate the .zip file type extension

6. Change the number directly after the .zip file type extension to 1 and click OK

Reopen Adobe Reader and now you should be able to open .zip file attachments directly from Adobe Reader.