Either way, this is a relatively common problem with straightforward resolutions.
Close and reopen Outlook.
Show any hidden folders.
Your “missing” folders could just behiddenfolders.
If a bug is to blame for the missing folders, an update might be available to fix it.
Recover a deleted folder from the trash.
Recover a deleted folder from the server.
You may also be able toundelete individually deleted emailseven if you’re free to’t recover the entire folder.
If your internet connection isn’t working properly, then Outlook is likely having trouble syncing with the server.
Restoring the connection should put everything back in working order.
Repair Outlook’s personal folder file.
If thisPST fileis corrupted, folders might be missing.
Fortunately, Outlook provides the Inbox Repair Tool to fix this issue.
Restoring the missing folders is easy if you have a backup of your Outlook emails.
The backup includes any folders that existed at the time of the backup.
This only works if you were proactive andcreated a backup of your Outlook databefore the folders went missing.
Repair your Outlook profile.
This option isn’t available for Exchange accounts in Outlook 2016.
Causes of Folders Missing in Outlook
Several things could cause your folders to disappear in Outlook.
On Outlook.com, selectNew Folder> jot down aname>Enter.
To change the inbox view in Outlook, go to theViewtab and selectChangeView.
Select any of the available views.
To edit or delete a view, selectManageViews>Modify.
Make your edits, or select a view and clickDelete.
IfOutlook is not sending email, right-smack the email in the Outbox and move it toDrafts.
Open it from Drafts and take a stab at send it again.
If Outlook won’t open, open Outlook in Safe Mode.
Or go toFile>Options> turn offAdd-ins.
You should also scan your system for viruses.
If it’s still not opening, use the built-in Microsoft Office repair utility to fix Outlook.
