Of course, this won't solve the problem completely, but will give you time to cancel sending an e-mail that exceeds the size limit set by your email provider and help to avoid the problem. If you are at home or on the road, you can use one of the file sharing services like Dropbox or SkyDrive.Īlternatively, you can create an Outlook rule that defers sending messages with large attachments. Tips: Instead of sending huge attachments you can upload large files onto your local network share and simply include a corresponding link in the message.

Antivirus or antispam software is scanning outgoing email.

Use of software that accesses Outlook data files.

Outlook is set to work offline or the mail server is offline.

Message is stuck because of large attachment.

As you know, without a correct diagnosis, there is no cure. This will help you understand what exactly can force a message to hang and how to prevent this from happening in the future. If you are more patient and curious and are interested to know the reasons why emails may become stuck in Outlook's Outbox, read through the points below.

If you do not care about the reason and just want a quick solution to delete a stuck email, proceed straight away to 4 quick ways to delete an email stuck in Outlook Outbox.

In this article we will try to figure out why this happens and how to delete a stuck message or make a hanging e-mail send. This article explains why an email may be stuck in Outlook and how to force it to send or delete such a message from the Outbox of Outlook 365, 2021, 2019, 2016, 2013, and lower.Įmail messages may be stuck in the Outbox folder for various reasons.

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