Select Menu > Preferences.
Last updated on
Nov. 5, 2025
Learn how to restore the default allowed and disallowed file attachment types in Adobe Acrobat.
Windows
Select Trust Manager under Categories.
In the PDF File Attachments section, select Restore.
Note
The Restore button is only available when you change the attachment settings.
Select Yes in the confirmation dialog box.
Select OK.
macOS
Select Acrobat > Preferences.
Select Trust Manager under Categories.
In the PDF File Attachments section, select Restore.
Note
The Restore button is only available when you change the attachment settings.
Select Yes in the confirmation dialog box.
Select OK.