If the automated process didn’t work, you can still try the following depending on the browser you want to move things to.
Brave:
To open the importData options tools in Brave:
1. Open a new tab and go to
brave://settings/importData
2. Select your previous browser from the menu
3. Choose what information you would like to import then click on Import.
Firefox:
This one can be a bit more difficult depending on many things, so click on this Mozilla link to get your answers: https://support.mozilla.org/en-US/kb/import-data-another-browser
Make sure you select your Firefox version and your Operating Version from the “Customize this article” drop down menus on the right side of the webpage:
Follow the instructions to import your previous browser’s data into Firefox.