Outlook: How to Delete All Unread Emails


Often you may want to delete all unread emails in a particular mailbox in Outlook.

You can use the following steps to do so:

1. Click the Search bar along the top ribbon and type isread:no. This will filter the inbox to only show unread emails.

2. Click on any of the emails, then type Ctrl + A to select all unread emails.

3. Right click and click Delete to delete all unread emails.

The following example shows how to use these steps in practice.

Step 1: Filter for Unread Emails Only

To delete all unread emails in a particular mailbox, we need to first filter the mailbox to only show the unread emails.

The easiest way to do this is by clicking the Search bar along the top ribbon and then typing the following formula:

isread:no

The following screenshot shows how to use this formula in practice:

We can see that this returns two unread emails in the current mailbox.

Step 2: Select All Unread Emails

Next, type Ctrl + A to select all unread emails:

Notice that all of the unread emails are now selected.

Step 3: Delete All Unread Emails

Next, right click and then click Delete:

Outlook delete all unread emails

All unread emails will be deleted.

Note: If you need to recover any deleted unread emails, you can navigate to the Deleted Items folder in Outlook and then right click and select Move to move the emails to your inbox.

Related Tutorials

The following tutorials explain how to perform other common tasks in Outlook:

Outlook: How to Delete Emails Older Than Specific Time Period
Outlook: How to Search Emails by Date Range
Outlook: How to Search for Emails with Attachments

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