How to Permanently Delete Emails from Outlook 365 Account at Once ?

Mark Regan ~ October 27th, 2021 ~ Delete Emails


Having unnecessary messages in the mailbox can create a ton of turmoil and disarray while working. In this way, having a coordinated Outlook 365 mailbox is vital. Having a great deal of messages additionally prompts the slowing down and unusual smashing of Microsoft 365 account. To have fluent working experience with Outlook 365, you need to clear all the superfluous stuff. To help you out with cleaning your Outlook 365, we will describe a decent method which will assist you to permanently delete emails from Outlook 365.

What are the methods of deleting emails from Outlook 365 ?

User can permanently delete email office 365 through two methods:

  1. Technical Approach
  2. Non – technical Approach

Cannot Delete Emails from Outlook 365 ? Try this Solution

Are you still wondering how can I permanently delete emails from Office 365? Well, you can’t select email one by one and erase them. It’s not only a boring plus a hectic task for any person. Thus, the best workaround is to use automated software for this. BitRecover EmailRaser Software is a multi-featured application that gives the ability to the users to delete all emails messages from Office 365 at once.

Also Read: Delete Gmail Emails in Bulk

How to Permanently Delete Emails from Outlook 365 ?

Before starting the working steps, take a quick trial of the free demo version. It is free of cost plus you can then evaluate the tool’s functionality.

Download for Windows     Download for Mac

Now, follow these steps to permanently delete office 365 emails:

After downloading the tool, you will see the starting screen as shown in the screenshot.

Now, choose Office 365 from the email source list given in the tool. Then, enter the email account details of your office 365 account and press on the login button. If you login using Office 365 Admin account then please enable “I am Admin” option.


Thereafter, the tool will start fetching all emails from your Office 365 account.

Enable desired mailboxes of Outlook 365 which you wish to delete.


Under the filters options section, you can also pick some specific emails which you wish to permanently delete from Outlook 365.


Lastly, click on the delete button and the tool will then give a warning message saying that ‘email messages once deleted cannot be retrieved back’. To continue, please tap on Yes button.


The tool will start deleting all emails from Outlook 365 account.


You will receive a confirmation message that deleting email messages completed successfully.


Delete All Emails from Office 365 at Once – Benefits of Software

  • It gives various data filter options for selectively deleting emails from Outlook 365 account. Users can sort our emails as per date range, subject, email address, etc.
  • The tool is the finest utility for achieving a zero inbox. It can delete thousands of messages from Outlook 365 account within few moments.
  • Users can bulk delete emails from Outlook 365 account in single processing that saves user’s time and efforts.
  • It also protects the account’s privacy by not storing the details of the user’s account in the software database.
  • The application is highly compatible with all versions of Windows OS like Windows 10, 8.1, 8, 7, XP, Vista, etc.

Watch Free Video Tutorial to Understand Bulk Deletion of Office 365 Emails

Manual Solution for how to delete emails in office 365

Here we have mentioned few manual techniques for completing the process of permanently delete email office 365

  • Delete Emails Manually
    The most common way to delete messages is to select them one by one or all at once and press Shift + Delete. Outlook will ask you to confirm the action with a pop-up; click on Yes to confirm.


    You can select emails, press Shift, and click on the Delete button on the Home tab. Click on Yes to delete the messages permanently.
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  • Remove the Confirmation Prompt
    In this method, we will make some changes in the background so that Outlook won’t ask before deleting messages and it will be easier for you to delete them without any interruption.

    1. For this, open Outlook, click on the File > Option, available on the left panel of the screen.
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    2. In the new window, select the Advanced tab. Now, under the Other category you will notice that the ‘Prompt for confirmation before permanently deleting items’ is marked; clear that mark and click on OK to save changes.
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  • Empty Deleted Items Folder
    Once you delete emails from Outlook with the simple Delete option, they are moved to the Deleted Items folder of the mailbox. To delete those messages permanently, you need to empty that folder too. To perform this, follow below-mentioned steps.

    1. Open Outlook and right-click on the Deleted Items folder and select Empty Folder from the menu.
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    2. When prompted for confirmation, click on the Yes button to delete all the emails.
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    3. Note: Alternately, you can select the Deleted Items folder and then click on the Folder tab. There you will see Empty Folder option, click on the option, and confirm the deletion once again.
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  • Empty Deleted Items when Exiting Outlook
    It may be a hectic task to empty the Deleted Item folder, again and again. To solve this problem, you can change the Outlook settings, so that every time when you exit Outlook, your Deleted Item folder is emptied automatically. To perform this action, follow the below-mentioned steps:

    1. Open Outlook and start with clicking on the File > Options available on the left side of the screen.
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    2. Once you click Options, an Outlook Options window will appear; there you need to select Advanced category. In the section Outlook Start and Exit check the box ‘Empty Deleted Items folder when exiting Outlook.’ Click on OK once you are done and the changes will be applied to your Outlook Profile.
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So, these were few tricks on how you can delete emails permanently from your Outlook Profile. But, sometimes it also happens that while deleting a lot of emails we mistakenly delete the important ones or the ones we are not supposed to delete because they might be of use in future. What to do now? All emails are permanently deleted but we have got your back – read further for the solution.

Frequently Asked Queries

Can I permanently delete emails from Outlook 365 account with this software?

Yes, this tool has the proficiency to erase all Outlook 365 messages at once.

Does the software support Windows 8 machine for removing emails from Outlook 365 webmail?

Yes, it is compatible with all versions of Windows OS including the Windows 8 computer.

Final Words

Erasing email messages from Outlook 365 becomes necessary when it is overflowing with unimportant messages. Users can precisely and selectively delete messages which are of no importance to them. This helps to achieve a neat and clear account for better productivity. In this blog, we have explained a simple yet effective approach to permanently delete emails from Outlook 365 account. We hope that you will like this article. If you have further any queries, please contact our technical support team.