How big is live.com mail attachment

Live.com, also known as Outlook.com, has a file size limit for attachments in emails. The maximum file size limit for attachments in Live.com is 10 MB (megabytes).

This means that if you try to send an email with an attachment that is larger than 10 MB, you will receive an error message and the attachment will not be sent.

Here are some examples of file sizes to help you understand the 10 MB limit:

If you need to send a larger file, you can consider using a file sharing service like OneDrive, Google Drive, or Dropbox, which allow you to upload and share files of any size. You can then share the link to the file with the recipient, rather than attaching it to an email.