Restricting access to local databases

When you enable encryption for a local database, HCL Notes® encrypts the database using your public key from your User ID. You are the only one who can then decrypt the database because you have the corresponding private key in your User ID. Nobody else's User ID can open the database.

About this task

There are two levels of encryption available: 128-bit AES and Strong. Use AES encryption when security or compliance are primary concerns. AES is more secure than Strong encryption but requires Notes version 11.0.1 or later. With AES encryption, documents may take a bit longer to open.

Continue to use Strong encryption for databases on Notes version 11.0.0 or earlier.

Note: Disk compression utilities do not affect databases that use database encryption.

To specify default local database encryption settings

About this task

Perform the following steps to specify the default encryption setting for new local databases. You can change the setting for a specific database.


  1. Click File > Security > User Security (Macintosh OS X users: Notes > Security > User Security).
  2. Click Notes Data > Databases.
  3. Select one of the following options:
    • To turn off encryption for new local databases, select Do not locally encrypt.
    • To enable encryption for new local databases, select Strong Encryption.
    Note: 128-bit AES is not currently available as a default setting.

To encrypt existing local databases

About this task


  1. Open the local database.
  2. Click File > Application > Properties> Encryption Settings.
  3. Select Locally encrypt this database using and select an encryption level.
  4. Optional: By default, your User ID is listed as the only User ID that can open the database when encrypted. If you would rather give a different person access to the database, click "For," then choose an address book and person from the "Select name" dialog box.
    CAUTION: If you choose a different user to have access to the database, you will lose your access to the database.


Note: You may need to compact the database in order to change the encryption settings.