This can happen if they have already been deleted, moved or archived. If you recently deleted the emails, you may still find them in the “Deleted Items” folder. Otherwise, you may need to restore them. Apart from it, your Outlook data/ profile also might have been corrupted. Whatever the reason is, you can go through various solutions to solve the sent items disappearing issue and prevent such problems in the future.

How to Fix Sent Items Not Showing in Outlook?

If multiple email accounts are set up on your Outlook, you have to search for the sent mail under the correct email section, as each has a separate Sent Items folder. Likewise, if you have a huge number of emails, use the search bar to find them quickly. Or you can also sort the items sent according to the date.

Configure Outlook Save Settings

In case you have disabled your Outlook settings to save the sent emails, they won’t appear in the Sent Items folder. Also, any emails you have forwarded are not saved there unless you have enabled the appropriate setting. Here’s how to enable them both. If you cannot find/access the above options in your Outlook application, they might be disabled by your administrator. Nonetheless, you can request them to enable the Save copies of messages in the Sent Items folder setting in the Outlook Group Policy.

Make Sure the Email Was Sent Successfully

Whether you lost the internet connection or your system shut down, the email message might not have been delivered and sent to the other person. When this happens, you can find them in your Outbox folder. Nonetheless, you can enable the Outlook setting below to send emails as soon as your system restores the Internet connection. After the emails are sent successfully, you can view them in the Sent Items folder.

Free up Storage Space on Outlook

By default, Outlook offers 15 GB of free storage space to your Outlook account, and for premium users (Office 365 subscribers), you have 50 GB of storage. Anyway, if you have reached your maximum limit, the sent emails or any other email you receive won’t be saved anymore. A common sign is the “Mailbox Full” message prompt on your Outlook app. If you see this message, you should free up some storage space to save your email messages.

Check if You Have Applied Any Filter or Enabled the Autoarchive Setting

In case only some of your sent items appear and others are missing from Outlook, there might be a filter deleting or moving your emails somewhere else. So, consider removing such filters in your Outlook settings. To adjust the filter settings, On the other hand, check if you have enabled the auto-archive setting in Outlook. While it helps reduce the clutter, it can move or delete your sent items after a specific time. To disable it, 

Extend the Time for the Sent Items to Stay in Outlook

Whether you are using cached exchange mode or an IMAP/POP account, they only store and sync your emails for a particular duration for offline use. And once the maximum time limit exceeds, Outlook stops keeping track of such emails. Thus, if you are looking for such older messages in Outlook, you may not find them in your Sent Items folder. To extend the time Outlook keeps the mail,

Create a New Outlook Profile

If your problem isn’t resolved even after applying the above solutions, your Outlook profile might have been corrupted. So, consider creating a new profile or repairing your corrupt PST file.

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