In most of the cases, it seems that Microsoft Outlook users faced some errors like Outlook Incoming Mails Disappear. However, sometimes they get troubled by an issue called "Outlook Incoming Mails automatically got Disappear after receiving". Actually, this happen with the user receives a new email from the recipient side and after sometime or we can say after a few seconds, the email gets disappeared automatically from Outlook Inbox Folder or get automatically marked as read.
So, now let's read this article to know about the issue and possible solutions.
If you are viewing your Outlook mailbox through a filtered view, unread Mail Search Folder and if you have configured the option automatically mark emails as read after n seconds, then it may possible that the emails would automatically disappear once they get marked as read.
If you are in an unread Mail Search Folder, instantly go to the inbox folder and check out whether your items are available there or not.
If you are already in the Inbox folder, then make sure that your view is not set to "Unread Messages" or you do not have any sort of filter applied to your view.
Microsoft Outlook 2003:
Microsoft Outlook 2007:
Microsoft Outlook 2010, 2013, 2016:
If you are working with MS Exchange, then must ensure that default delivery location of incoming emails is not link to a PST File in Microsoft Outlook. If so, then all the items that you received via your MS Exchange account would move into the PST File, not in the Inbox. This can also result in Outlook Incoming mails disappear from mailbox issue.
Microsoft Outlook 2003:
Microsoft Outlook 2007:
Microsoft Outlook 2010, 2013, 2016:
Furthermore, to check your message delivery location is correct or not: Click on the email Tab and select the MS Exchange account and verify it.
The automatically disappearing of Microsoft Outlook Inbox mail can be also aroused because of third party add-ins that you have installed in MS Outlook. Some of the most common add-ins that creates this problem is virus scanner & anti-spam filter that are incorporated within Microsoft Outlook. If you have installed such type of add-ins in MS Outlook, then you should check the functioning of add-ins to know what exactly they do with the emails. Delete the add-ins or move it to another Folder or location, if you find any of them performing dysfunctional.
If you have a virus scanner installed in your machine, which has been automatically clogging up the incoming of emails in MS Outlook. You have to uninstall this scanner because sometimes extra level of safety becomes cause of improper functioning of emails (send/receive).