Ever since May 2015, I havent been able to archive my emails, from my inbox or any other folder. All my previous archives up until May are fine. If I try archive the email, a folder called '2015-05' is created, nothing else happens and the email I tried to archive stays in my inbox or the folder that it was in I compact my folders all the time. Ive tried deleting ALL the msf files Ive tried to disable all add-ons Ive tried to archive in offline mode I backed up and restored the profile but still no luck (used Mozbackup) Just to add I am running version 38.3.0 which is the most up to date version, although I have not been able to archive following a number of updates. Loading version 24.xx made no difference either Any help would be greatly appreciated, since this is slowly down my system substantially