If you use Sync then best is to disconnect Sync temporarily during troubleshooting.

You can check for problems with the places.sqlite and favicons.sqlite files in the Firefox profile folder.

• use "Verify Integrity" button on the "Help -> Troubleshooting Information" (about:support) page

If errors are reported with "Verify Integrity", close and restart Firefox and retry.

If "Verify Integrity" cannot repair places.sqlite, rename/remove all places.sqlite and favicons.sqlite files in the Firefox profile folder. Firefox will rebuild places.sqlite and restore the bookmarks from a recent JSON backup in the bookmarkbackups folder.

• keep a backup copy of places.sqlite in case a new places.sqlite database has to be created

See also:

• https://support.mozilla.org/en-US/kb/Bookmarks+not+saved#w_fix-the-bookmarks-file
• https://support.mozilla.org/en-US/kb/fix-bookmarks-and-history-will-not-be-functional

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.

• Help -> Troubleshooting Information -> Profile Folder/Directory:
  Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder
• https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data

Thanks for the quick response. I opened the Troubleshooting Information page, clicked on the "show in finder" button under "Update Folder" and saw the "places.sqlite" files. But I do not see any "Verify Integrity" button. Can you direct me to where it is? Thanks.

The "Verify Integrity" button is further down on the "Help -> Troubleshooting Information" (about:support) page in "Places Database" under the Preferences section.

Thanks.

The “Verify Integrity” did not show any errors. I deleted the 3 places.sqlite files and the 3 favicon.sqlite files. I then quit Firefox and restarted it. I checked for the files and 2 of the places.sqlite and 2 of the favicon.sqlite files had been recreated. However, it did not help, the same bookmark folders are still empty when I open them using the menus at the top of the screen.

Any other suggestions?

Do you also see all bookmarks in the Bookmarks Manager (Library; Show All Bookmarks) ?

You can add the "Bookmarks Menu" button that shows the bookmarks in a drop-down list to the Navigation Toolbar via these steps:

• click the bookshelf icon on the Navigation Toolbar or alternatively use the Library menu in the "3-bar" Firefox menu button drop-down list
• click Bookmarks
• click "Bookmarking Tools", then click "Add Bookmarks Menu to Toolbar"

The Bookmark Menu button should appear on the Navigation Toolbar.

You can also drag the Bookmarks Menu button from the Customize palette to the Navigation Toolbar

See also "How do I add the Bookmarks Menu button to the toolbar?":

• https://support.mozilla.org/en-US/kb/bookmarks-firefox#firefox:win10:fx57

Yes, all bookmarks show up there. I have placed a Bookmark Menu button in the Navigation Toolbar. Thanks for all the suggestions and help....much appreciated!!

You're welcome