hello, yes you can do that - just put your bookmarks on the toolbar into folders: [[Use bookmark folders to organize your bookmarks]]

Create nested folders (folders within folders) on the Bookmarks Toolbar. You can also do the same in the Bookmarks Menu instead of on the Bookmarks Toolbar. #Right-click on the Bookmarks toolbar and choose "New Folder"; name that folder '''''Household''''' #Right-click on the '''''Household''''' folder in the Bookmarks Toolbar for each sub-folder that you want under '''''Household''''' and choose "New Folder"; name those folders (i.e., Home Repair, Cooking, Furniture Refinishing , etc.) #Drag or create bookmarks in each of those sub-folders appropriate to the the sub-folder name(s). Repeat the above for other folder/sub-folders (i.e., '''''Science''''' folder with sub-folders Environment, Medicine, Space, Geology, etc.). See - *Bookmark folders - https://support.mozilla.org/en-US/kb/bookmark-folders-organize-your-bookmarks *Bookmarks - https://support.mozilla.org/en-US/kb/use-bookmarks-to-save-and-organize-websites

Perfect! Thank you!