Please follow the below guide on how to import bookmarks and passwords into Edge. 

Step 1: Open Edge, click on the 3 dots in the top right hand corner and select settings: 

Step 2: In the settings menu, select import browser data:

Step 3: select import browser data now:

Step 4: in the drop down menu select favourites or bookmarks HTML file, select choose file and browse to your chrome or edge bookmarks file you saved earlier: 

Step 6: Once you have completed importing your bookmarks, within the same settings page you should see the option to import passwords:

Step 7: Once this has been selected, browse to your password file you backed up earlier to import all passwords into edge: