What is the binary component in LastPass?
The binary component (i.e., Native Messaging) is included in the LastPass Universal Installer for Mac and Windows, and is supported on the Chrome, Firefox, Safari, and Opera desktop web browsers.
Which features does the binary component support?
- Shared login state between browsers (not supported on Safari for Windows)
- Clear Clipboard after use (found in Advanced Preferences)
- Faster encryption and decryption
- Secure note attachments
- Logout after specified time of activity
- Fingerprint Authentication (not supported on Mac OS X, macOS, or Linux)
- Smart Card Authentication
How do I know if I have the binary component installed?
- Click the active LastPass icon in your web browser toolbar.
- Select Account Options OR < your LastPass email address > at the bottom of the menu.
- Select About LastPass.
- In the Binary Component section, one of the following will be listed:
- True = installed
- False = not installed but if desired, click Enable Native Messaging to install it. Once installed, you will need to restart your web browser in order for changes to take effect.
Note: You can also install the binary component by using the LastPass Universal Installer for all supported web browsers.
What are the limitations and compatibility?
- Not available for the Chrome Operating System
- Not available for Opera 12 on Mac OS X due a bug
- For Mac OS X 10.10 (Yosemite), the LastPass Menu Bar must be enabled. To enable the LastPass Menu Bar, go to
- If you are experiencing issues with the binary component disappearing in Safari, be sure that "Stop plug-ins to save power" is disabled by going to