Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

Get new Outlook Select Get if you need to download new Outlook, or Open if it is already installed. If your accounts aren't added automatically, follow the prompts to add your account and start using new Outlook. Try these steps whenever classic Outlook for Windows stops responding, hangs, freezes, or stops working.

Um eine E-Mail freizugeben, die in Ihrem Ordner Entwürfe oder Postausgang hängen bleibt, wählen Sie einen der folgenden Abschnitte aus. Email in Outlook hängen bleiben Reparieren von Nachrichten, die im Postausgang hängen bleiben Wenn eine Nachricht in Ihrem Postausgang hängen bleibt, ist in der Regel ein großer Anhang die Ursache.

Email stuck in Outlook.com If your emails are not sending from Outlook.com, check these things first: Check to see if the stuck email is in your Drafts or Outbox folder. If the message has an attachment that’s larger than 25MB, delete the attachment and either attach a smaller file or upload the file to OneDrive and then attach a link to the attachment. You can then try to send the message ...

Check your mailbox storage to see what's taking up space. Learn more about recent changes. You'll receive this notification when your email message has attachments that make it too large to send: The message is held in your Drafts folder (not your Outbox) where you can either remove attachments to reduce the file size or delete the message.

Why won't Outlook open or load my profile? How do I fix messages stuck in the Outbox? Get a quick breakdown of Outlook loading profile issues.

After you select Send, each message remains in the Outbox folder for the time that you specified. Schedule a message for later in Outlook on the web or Outlook.com

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In Outlook, sometimes your outgoing messages get stuck in your outbox and just won't send. Learn about some ways to get them moving.

How do I open Outlook with the /profiles switch? What are fixes for new Outlook for Windows? Make a fixes or workarounds reference card for me. Last updated: November 2026 For issues that are not covered on this page, we have multiple tools to help you automatically diagnose and fix a range of classic Outlook problems.