How to Send Large File Attachments (Up to 5 GB) in Apple Mail

With Apple Mail, you can send up to 5 GB per message to any email recipient; the big files are uploaded to an iCloud site automatically for download.

April 15, 2025 · 1 min · 71 words · Kyle Turner

Table of Contents

For recipients using macOS Mail, Mail Drop attachments present as regularly attached files.

SelectMail>Preferencesfrom the menu bar in Mail.

From the accounts list, go for the account for which you want to enable Mail Drop.

Preferences selected in the Mail menu

Check the box next toSend large attachments with Mail Drop.

The files are available for 30 days.

Is Bigger Better for Attachments?

Mail Preferences with the Accounts tab highlighted

Big files cause delays, waiting, errors, repetition, and undelivered messages, not to mention frustration.

An email account selected in Accounts preferences window

Mail preferences showing option to send large attachments with Mail Drop