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Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

I want to restore bookmarks after losing & re-installing Firefox.

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Both Firefox & Thunderbird were lost when my master boot file became corrupted and the OS had to be restored. After re-installing both Firefox & Thunderbird, the bookmarks were gone along with the Thunderbird address book and all historical emails prior to December, 2017. I would appreciate any advice that you can offer.

Both Firefox & Thunderbird were lost when my master boot file became corrupted and the OS had to be restored. After re-installing both Firefox & Thunderbird, the bookmarks were gone along with the Thunderbird address book and all historical emails prior to December, 2017. I would appreciate any advice that you can offer.

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No can do here. If you didn't backup your bookmarks or email address to another location there is no recovery options to be had here.