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Duplicated my entire bookmarks list, at least 3 times.

  • 8 respostas
  • 1 has this problem
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  • Last reply by cor-el

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Latest version has duplicated my entire bookmarks list, at least 3 times. The first time I laboriously went thru my (rather long, about a screenful) list of bookmarks, deleting the second set, which I never asked for. Just now, I see it's duplicated again, twice, in full. Argh.

Latest version has duplicated my entire bookmarks list, at least 3 times. The first time I laboriously went thru my (rather long, about a screenful) list of bookmarks, deleting the second set, which I never asked for. Just now, I see it's duplicated again, twice, in full. Argh.

Chosen solution

If you go to the three-bar menu, followed by "Library" and then "Bookmarks", down the bottom of that is "Show All Bookmarks".

Select that and a new window will open. When you find the bookmarks, you can either select a range (select the first, find the last, shift-click), or you can select individual ones (ctrl-click each one). When you're ready, right-click and select delete.

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Are you using Sync?

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Not that I know of.

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Assuming it doesn't happen again, it would be really helpful just to know how to delete a bunch of bookmarks in one operation.

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Chosen Solution

If you go to the three-bar menu, followed by "Library" and then "Bookmarks", down the bottom of that is "Show All Bookmarks".

Select that and a new window will open. When you find the bookmarks, you can either select a range (select the first, find the last, shift-click), or you can select individual ones (ctrl-click each one). When you're ready, right-click and select delete.

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It might also be useful to see if you can identify a trigger or something when this happens.

Additionally, one thing you could also do is run the integrity check on the bookmarks and history database to check for any issues:

  • Go to the three-bar menu -> Help -> Troubleshooting Information
  • Scroll down the page to find the "Places Database" section (it is near the bottom).
  • Click the "Verify Integrity" button, this may take a few seconds to run.

Feel free to post the output here if you're not sure what it means.

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You can also try to restore an older bookmark backups from the bookmarkbackups folder.

  • Bookmarks -> Show All Bookmarks -> Import & Backup -> Restore

Note that this will replace the current bookmarks, so you lose more recent bookmarks and if necessary make an HTML backup.

The name of an automatically created JSON bookmarks backup in the bookmarkbackups folder includes a total item count (folders and separators included) and an hash value to prevent saving the same backup more than once. You also see this count in the Restore menu drop-down list.

  • bookmarks-YYYY-MM-DD_<item count>_<hash>.jsonlz4.
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I would suggest you do this JIC If something goes wrong with the backups, this would be safe.


Open the Bookmarks Manager; Press the Alt or F10 key to bring up the toolbar, and select Bookmarks. Hot key is <Control> (Mac=<Command>) <Shift> B.

Once the window is open, at the top of the page, press the button labeled Import and Backup. Select Export Bookmarks To HTML, and follow the prompts and save it to a HTML file. Copy the file to another computer/profile. Repeat the instructions above, BUT select Import Bookmarks From HTML.

https://support.mozilla.org/en-US/kb/restore-bookmarks-from-backup-or-move-them

https://support.mozilla.org/en-US/kb/recover-lost-or-missing-bookmarks

Mozilla search: Import {web link}

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If there are affected backups available if you check the item count then you may want to remove these in the profile folder. In some cases Firefox may try to rebuild the bookmarks automatically from a recent backup in case problems are detected with places.sqlite and might use a corrupted backup.