If your archived NSF file is encrypted, you’ll need to use the same Lotus Notes ID file or password that was used to encrypt it. Some professional NSF conversion tools like eSoftTools NSF to PST Converter come with smart decryption options that can unlock encrypted files—only if you have proper permissions.

⚠️ Reminder: Attempting to decrypt without authorization may breach security policies or software licenses.

Read More - Decrypt Lotus Notes archive and open in Outlook