Send large files by using file sharing, cloud services, or other solutions for working around file size limits in Outlook.

Since each message you send is stored in your Sent Items folder, reducing the size of attachments can also help keep your mailbox size small.

In web-based versions of Outlook, you can delete the email the attachment came with, and you can download or save the attachment elsewhere. If your email is stored on an email server …

To find all messages with attachments, select the Has Attachments button. By default, this searches the current mailbox and sorts the results by date with the most recent on top.

Training: Learn more about the ins and outs of sending, forwarding, and replying to emails that have attachements in this short video.

Here are some common attachment issues you might encounter or attachment questions you might have with new Outlook or classic Outlook for Windows. Select a tab option below for the …

You can use a browser and your OneDrive to view, edit and send attachments with your Outlook Web App, Outlook on the Web or Outlook.com accounts. File preview allows you to view …

Training: Attach pictures, files, contacts, emails and other items with your email in Microsoft Outlook. See how in this online video training.

Send S/MIME or Microsoft Purview encrypted emails in Outlook using a work or school account with a qualified Microsoft 365 subscription.

If you need to send a file that's blocked by Outlook, the simplest way to send your file is to upload it to OneDrive or a secure network share server such as SharePoint.