It seems there is more than one problem which on the surface exhibits the same non display of accounts, folders and emails. Some people find deleting these files work: > folderCache.json > folderTree.json > session.json > xulstore.json Others - particulary those who used 'Unified' folders - need to delete: > folderCache.json > folderTree.json > virtualFolders.dat > session.json > xulstore.json > Click on 'Mail' folder and delete 'smart mailboxes' folder One person tried deleting the various files and had no success, but has provided what they see in the error console. It seems to suggest an issue with the calendar. > Error Console I see the following: > > Calendar: Can't create calendar for 27483b60-ac4a-42ed-a194-daa68f1c9d79 (storage, moz-storage-calendar://): [Exception... "Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageService.openDatabase]" nsresult: "0x8052000b (NS_ERROR_FILE_CORRUPTED)" location: "JS frame :: resource:///modules/calendar/CalStorageDatabase.jsm :: connect :: line 67" data: no] CalCalendarManager.jsm:536 NS_ERROR_FILE_CORRUPTED: Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageService.openDatabase] CalStorageDatabase.jsm:67 NS_ERROR_FILE_CORRUPTED: Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageService.openDatabase] 2 CalStorageDatabase.jsm:67 Uncaught (in promise) I'm chasing people for more info - I'll update this comment if I can find more information.
Bug 1789326 Comment 19 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
It seems there is more than one problem which on the surface exhibits the same non display of accounts, folders and emails. Some people find deleting these files work: > folderCache.json > folderTree.json > session.json > xulstore.json Others - particulary those who used 'Unified' folders - need to delete: > folderCache.json > folderTree.json > virtualFolders.dat > session.json > xulstore.json > Click on 'Mail' folder and delete 'smart mailboxes' folder Several people tried deleting the various files and had no success, but one has provided what they see in the error console. It seems to suggest an issue with the calendar. > Error Console I see the following: > > Calendar: Can't create calendar for 27483b60-ac4a-42ed-a194-daa68f1c9d79 (storage, moz-storage-calendar://): [Exception... "Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageService.openDatabase]" nsresult: "0x8052000b (NS_ERROR_FILE_CORRUPTED)" location: "JS frame :: resource:///modules/calendar/CalStorageDatabase.jsm :: connect :: line 67" data: no] CalCalendarManager.jsm:536 NS_ERROR_FILE_CORRUPTED: Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageService.openDatabase] CalStorageDatabase.jsm:67 NS_ERROR_FILE_CORRUPTED: Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageService.openDatabase] 2 CalStorageDatabase.jsm:67 Uncaught (in promise) I'm chasing people for more info - I'll update this comment if I can find more information.