Maximum Email Attachment Size Limits for Top Email Providers

Email remains one of the most widely used methods for communication, but it comes with certain limitations—especially when it comes to file attachments. Each email provider imposes a maximum file size limit for attachments. Below, we outline the attachment size limits for the top email services.

1. Gmail

• Maximum attachment size: 25 MB

• Workaround: Files larger than 25 MB are automatically uploaded to Google Drive, and a link is sent instead.

2. Outlook (Hotmail, Live Mail, Office 365)

• Maximum attachment size: 20 MB (for free accounts)

• Workaround: Users can upload larger files to OneDrive and share a link.

3. Yahoo Mail

• Maximum attachment size: 25 MB

• Workaround: Yahoo users can utilize Dropbox integration for larger files.

4. Apple Mail (iCloud Mail)

• Maximum attachment size: 20 MB

• Workaround: Users can use Mail Drop to send files up to 5 GB, which stores the file on iCloud for download.

5. ProtonMail

• Maximum attachment size: 25 MB

• Workaround: No built-in cloud storage; users must rely on third-party services for larger files.

6. Zoho Mail

• Maximum attachment size: 20 MB

• Workaround: Users can use Zoho Docs for larger file sharing.

7. AOL Mail

• Maximum attachment size: 25 MB

• Workaround: Users can use cloud services like Google Drive or Dropbox.

8. GMX Mail

• Maximum attachment size: 50 MB

• Workaround: Large attachments can be shared using GMX’s file storage service.

9. Mail.com

• Maximum attachment size: 50 MB

• Workaround: Cloud storage options are available for larger files.

10. Yandex.Mail

• Maximum attachment size: 30 MB

• Workaround: Files up to 2 GB can be shared via Yandex.Disk.

Tips for Sending Large Files

If your attachment exceeds the limits imposed by your email provider, consider these alternatives:

• Cloud Storage Services: Use Google Drive, OneDrive, Dropbox, or iCloud to store files and share links.

• File Compression: Use ZIP or RAR formats to reduce file size.

• Split Files: Break large files into smaller parts using archiving tools.

By understanding the limits and available workarounds, you can ensure smooth file-sharing through email without interruptions.