Open the Applications folder, then double-click on the LastPass app and click Open.If you had installed a previous version of the Safari app extension and are prompted that the LastPass.app already exists in the Applications folder, click Replace. Click and drag the LastPass app icon to the Applications folder.Locate the download, then double-click on the LastPass.dmg file to open.Download the LastPass Safari app extension.Log in with your username and Master Password to access the New Admin Console at Go to Advanced Install software. Please open the Terminal app on your Mac before proceeding. If you had installed a previous version of the LastPass for Safari app extension and are prompted that the LastPass.app already exists in the Applications folder, click Replace. Click and drag the LastPass app icon to the Applications folder. Locate the download, then double-click on the LastPass.dmg file to open. Please note that the Safari Legacy extension will continue to function on Mac OS X 10.11 (El Capitan) or earlier, however, that extension will no longer receive updates due to Apple restrictions.ĭownload the LastPass for Safari app extension. The Safari app extension is supported on macOS 10.12 (Sierra) or later.

You can then go to LastPass Preferences and set the preferences to your own liking.HELP FILE How do I install the LastPass for Safari app extension on my Mac?.This may not leave you logged in, but at this point you should be able to log in as you normally would. A new Safari tab or window will open and at the bottom will be a 'Log In' link.LastPass will now show in the left-hand column of the Extensions Preferences and it will show that the version is 4.9.0.37.A dialog box will appear stating 'Are you sure you want to install the extension LastPass.' and click on 'Trust' in that dialog box.Click on 'Install from Developer' in the dialog box.Safari Extensions Preferences should open with a dialog box stating 'Would you like to install.Go to your downloads folder and double-click on lastpass.safariextz.Scroll down to 'LastPass for Safari' and click on 'Download'.Select LastPass in the left-hand column.Open Preferences in Safari and select the Extensions tab.

Lastpass mac safari extension