Please contact support if you lose local notebooks during an upgrade and the following does not help. We have been unable to reproduce this issue in-house despite heavy testing. Your notes are automatically backed up when migrating to 5.6. They are located here: ~/Library/Application Support/com.evernote.Evernote/old If you'd like to recover from a failed migration, perform the following steps: 1. Quit all versions of Evernote. 2. Create the directory ~/Library/Application Support/Evernote/accounts/Evernote 3. Copy ~/Library/Application Support/com.evernote.Evernote/old/to-migrate/Evernote into the directory your created at step 2 4. Download and run Evernote 5.5.2, located here: http://goo.gl/BcRshG Your old Evernote should be operational again. Take this opportunity to back up your local notes. If you have local notebooks, please, please, please ALWAYS BACK UP YOUR NOTES REGULARLY. THEY ARE NOT BACKED UP BY EVERNOTE. A couple of points here: 1. The link to version 5.5.2 is not valid. Can we get another one? 2. I have lost all of my local notebooks as well. I do have a backup but I think I will still need to go through the reinstall of the old version. Specifically my Evernote folder in ~/Library/Application Support/Evernote/accounts/Evernote was an alias that pointed to a location within a encrypted sparse image file. I and may others do this to assure that local folders will be encrypted local and will not be synced to Evernote where it is not encrypted in the cloud. This was just for very sensitive data. I assume that this upgrade did not account for this type of setup. Given all of that, is there a simple way to get the local folders to version 5.6 or do I need to downgrade (after I get the link) and wait for a possible future migration fix? Thanks.