Hi, I am sorry to tell you you can not. Not possible unless they are on the other device you had Sync'd with. If you were using Stnc as as a storage place that is not what it is for. You should have backed them up before formatting. For the future : *https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer *https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles Please let us know if this solved your issue or if need further assistance.