Select the Tools menu in your computer's top bar menu, and then select Preferences.Then tap to toggle on Keep me logged in for 14 days.From the main menu of the new Dashlane - Password Manager on Safari, tap the cogwheel icon (settings).If you open the browser while offline or too quickly after your computer starts, the Dashlane extension may not be able to communicate with our servers to confirm that you've enabled the 'Keep me logged in for 14 days' feature for your account.
Please note that you must connect to the internet before you open the browser for this feature to work as expected. This ensures that your Dashlane vault remains accessible in your browser, even if you restart the browser, for the following two weeks or until you manually log out. When logging in to your Dashlane account in the web app or in the extension, you can select the Keep me logged in for 14 days checkbox.