Whether you’re forwarding a conversation or need to share important information, knowing how to attach an email in Outlook is a handy skill. Here’s a step-by-step guide for both the desktop and web versions.
Why Attach an Email in Outlook?

Attaching an email preserves the full content, including headers, formatting, and attachments. It’s useful for:
- Sharing email threads with colleagues
- Submitting records or official documentation
- Escalating support or HR issues
How to Attach an Email in Outlook (Desktop App)
- Open Outlook: Launch the Outlook application on your computer.
- Create a New Email: Click on New Email to start composing.
- Drag and Drop the Email:
- Find the email you want to attach in your inbox.
- Drag it into the body of the new email.
- It will appear as an .eml attachment.
Alternative Method:
- Click on Attach Item → Outlook Item in the toolbar.
- Browse through folders to select the email.
- Click Insert to attach.
How to Attach an Email in Outlook (Web Version)
- Go to Outlook Web: Sign in to your Microsoft account.
- Start a New Email: Click New Message in the upper left corner.
- Open a Second Tab or Window: Drag the email you want to attach from your inbox into the body of the new email.
Note: Some browsers support drag-and-drop; otherwise, use the forward as attachment option if available.
How to Forward an Email as an Attachment in Outlook
- Select the Email: Right-click on the message in your inbox.
- Click “Forward as Attachment”: The selected email will automatically be attached to a new email draft.
FAQs About Attaching Emails in Outlook
- Can I attach multiple emails at once? Yes, select multiple emails while holding Ctrl (Cmd on Mac), then drag them into your new email.
- Can I open attached emails? Yes, recipients can download and open the .eml file in their email client.
- Will attachments within the attached email remain? Yes, all original attachments are preserved in the .eml file.
- Can I attach an email on mobile Outlook? Mobile versions have limited functionality; forwarding is possible, but attaching as a file is easier on desktop.
- What format are attached emails saved in? Emails are attached in .eml format, which can be opened by most email clients.
Attaching an email in Outlook is simple and useful for keeping communication organized. Whether you’re using the desktop app or web version, these steps ensure your email attachments are shared effectively and professionally.
