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How to prevent Outlook from closing accidentally?

When using Outlook, you might have accidentally closed Outlook by clicking the Close button or the exit button. When clicking on these two buttons, Outlook will close immediately without any prompt. So you need to reopen the Outlook application. When restarting, it might take long time to update all information if there are huge of items existing in Outlook. You must don’t like your work to be interrupted by this way. A good method for preventing Outlook from closing accidentally is to pop up a prompt box when clicking the Close or Exit button. This article will show you a trick of how to pop up a prompt box while clicking the Close button.

Prevent Outlook from closing accidentally

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arrow blue right bubblePrevent Outlook from closing accidentally

Using unsent method to prevent Outlook from closing accidentally, please do as follows.

1. Create a new email message by clicking New Email under Home tab.

2. In the Message window, please do as follows:

1). In the To field, please type in your own email address;

2). Type the email subject in the Subject field.

3. Then click File > Info > Properties. See screenshot:

4. In the Properties dialog box, go to the Delivery options section. Check the Do not deliver before box, and select a future deliver date and time (a year or longer as you need). Then click the Close button.

5. When it returns to the Message window, please click the Send button to send this email.

6. From now on, when you click the Close button or the Exit button in Outlook, a prompt box will pop up to remind you of you unsent message in the Outbox.

If you really want to close the Outlook, please click the Exit Without Sending button;

If that’s your accidentally closing, please click the Don’t Exit button.

Notes:

1. When the delivery date is reaching, the email will be send automatically from the Outbox.

2. If you still need the prompt when closing Outlook, please create a new message with the above method again.

3. This method is applied to Outlook 2010 and 2013, and not take effect for outlook 2007.


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  • To post as a guest, your comment is unpublished.
    KP · 15 days ago
    Works on Outlook Office 365 as well! Thanks a lot for the guide!
  • To post as a guest, your comment is unpublished.
    Cindy Reiter · 1 years ago
    Can you set this up so it happens daily or do you have to create this message every day?
  • To post as a guest, your comment is unpublished.
    Brian U · 1 years ago
    You are a genius. MS? not so much.
  • To post as a guest, your comment is unpublished.
    Linda Ewen · 1 years ago
    You would think that after all this time Microsoft would have some solution.
  • To post as a guest, your comment is unpublished.
    MARK PRITCHARD · 2 years ago
    It seems this only works in Cached Exchange mode.
  • To post as a guest, your comment is unpublished.
    Ryan · 2 years ago
    It is not working for me using MS Office Professional Plus 2016 (16.0.4549.1000). Any other suggestions? Thanks.
  • To post as a guest, your comment is unpublished.
    Felton · 2 years ago
    I've been searching for weeks. This is the first simple "solution" I've found that actually works to address this problem. Outlook 2016.
  • To post as a guest, your comment is unpublished.
    Harry · 2 years ago
    It's working for me in Outlook 2016
  • To post as a guest, your comment is unpublished.
    Bob · 2 years ago
    It stopped working and Outlook 2010 closed accidentally. I created another message but it still closes without prompting me. What the H happened?
  • To post as a guest, your comment is unpublished.
    Sean · 3 years ago
    It works in Outlook 2013 as well thanks, good easy tip.
  • To post as a guest, your comment is unpublished.
    Michael Horton · 4 years ago
    Such an annoying problem. Thanks for resolving this.
  • To post as a guest, your comment is unpublished.
    Michelle · 4 years ago
    THANK YOU!!!!! Awesome tip! This has annoyed me for sooooo long. And now it's fixed!
  • To post as a guest, your comment is unpublished.
    ANNISH · 4 years ago
    Very easy solution for a difficult problem. Thanks for the article. It solved my problem.
  • To post as a guest, your comment is unpublished.
    Patty Calloway · 4 years ago
    Thank you so much! My 2013 outlook looks a little different than what you described, but I found my "Delay Delivery" option right under the OPTIONS tab in the tool bar of my fake email.

    This is exactly the solution I was looking for! Thank you.
  • To post as a guest, your comment is unpublished.
    Idontlikelosingcontr · 4 years ago
    This is really awesome!! First good solution that works all the time without installing any softwares, add-ins, etc. or having to modify the windows system/registry on some level. THANKS YOU SO MUCH!!!!