Under the project profile, you can see the settings for the project as they were defined when it was created. Some project settings can be changed here.

Click on the three dots (•••) next to the project and select Edit Project.

Here, you can also add data security for email notifications in the following cases:
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Company administrators and project users must enter their login and password to open files from links in email notifications.
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Bidders and applicants must enter their login and password to open files from links in email notifications.