# Sending Attachments via Large File Send

This guide explains how to use the Mimecast Personal Portal to send email attachments safely and securely with the Large File Send feature.

https://webmail-uk.mimecast.com/u/login/?gta=portal#/login

#### Walkthrough

  
To use Large File Send from the Mimecast Personal Portal:  
  
1\. Compose a new message.  
2\. Add the recipient, subject, and body to the message.  
3\. Select Attach to add a file to the message.  
4\. Select the Large File Send icon. You will be presented with the Large File Send Preferences dialog.

[![image-1654522647772.png](https://wiki.safetynet-it.com/uploads/images/gallery/2022-06/scaled-1680-/LnmU3TIACzXwY5PA-image-1654522647772.png)](https://wiki.safetynet-it.com/uploads/images/gallery/2022-06/LnmU3TIACzXwY5PA-image-1654522647772.png)

[![image-1654522658502.png](https://wiki.safetynet-it.com/uploads/images/gallery/2022-06/scaled-1680-/dmySCKgVvNX3i27s-image-1654522658502.png)](https://wiki.safetynet-it.com/uploads/images/gallery/2022-06/dmySCKgVvNX3i27s-image-1654522658502.png)