Dashlane isn't automatically filling in the password on one of your online accounts, or isn't logging you into your apps?
First, please make sure you are using the latest version of Dashlane available. See our How to update Dashlane page for more details.
If you are experiencing issues with the autofill on your computer or on iOS, please refer to the articles Autofill doesn’t work on my computer and Autofill doesn't work on my iOS device.