- Choose Protect > Secure Document > Certificate Protect.
- In Certificate Protection dialog box, create intended recipient list for the encrypt document：
Click New ID to create and store your self-signed digital ID in:
New PKCS#12 digital ID file – Stores the digital ID information to a file with the extension .pfx on Windows and .p12 on Mac OS. You can use the files interchangeably across different operating systems.
Windows Certificate Store – Stores the digital ID to a common location. Other Windows applications can also retrieve it.
- Click Import to import a certificate from Windows Certificate store.
- Click Browse to import a certificate from disk.
- Click Remove to delete a recipient from recipient list.
- Click Permission to set document restriction for the selected recipient. About Permission options, please refer to “Add document restrictions” of Password security options.
- Select Encryption Algorithm (support 128-bit AES, 256-bit AES and128 bit ARC-FOUR.
- Check Don’t Encrypt metadata to encrypt the documents except metadata.
- (Optional) Check Save the settings as a new policy to save the current security settings as a policy so that you can apply it to other documents.
- Click OK and save the document.
See also “About digital ID”