Select Menu > Preferences.
Last updated on
Sep 23, 2025
Learn how to manage website access in PDFs to improve security and control for external links.
Windows
Select Trust Manager under Categories.
In the right pane, select Change settings.
In the dialog box that opens, select any of the following options:
- To allow access to all websites, select Allow PDF files to access all web sites.
- To restrict access to all websites, select Block PDF files’ access to all web sites.
- To restrict access to only the websites that you specify, select Custom setting.
- To add a website, type its address into the Host name text box and select Allow or Block.
- To remove a website, select the website in the list and then select Delete.
- To specify what the program should do with websites not in your custom list, select Always ask, Allow access, or Block access.
Select OK.
Note
If you're prompted to allow or block a URL when you open a protected PDF, select Remember this action for this site for all PDF documents to add the URL to the saved list.
macOS
Select Acrobat > Preferences.
Select Trust Manager under Categories.
In the right pane, select Change settings.
In the dialog box that opens, select any of the following options:
- To allow access to all websites, select Allow PDF files to access all web sites.
- To restrict access to all websites, select Block PDF files’ access to all web sites.
- To restrict access to only the websites that you specify, select Custom setting.
- To add a website, type its address into the Host name text box and select Allow or Block.
- To remove a website, select the website in the list and then select Delete.
- To specify what the program should do with websites not in your custom list, select Always ask, Allow access, or Block access.
Select OK.
