The Ultimate Guide to Sending Large Files via Email

As technology advances and file sizes grow larger, the need to securely and efficiently send large files via email has become more prevalent. Whether you’re a professional sending work documents or a student submitting assignments, knowing the best practices for sending large files can save you time and frustration. In this comprehensive guide, we’ll explore various methods and tools to help you successfully send large files via email.

Understanding Email Attachment Limits

Before diving into how to send large files via email, it’s important to understand the limitations imposed by email providers. Most email services impose a limit on the size of attachments you can send. For example, Gmail has a limit of 25MB per attachment, while Outlook allows up to 20MB. If you try to send a file larger than the designated limit, your email will likely bounce back or fail to send.

Compressing Files

One common solution to sending large files via email is to compress them into a smaller size. There are various software programs available that allow you to compress files into zip folders, reducing their overall size. This can help you stay within the attachment limits set by email providers. However, be mindful that some files, like images or videos, may not compress significantly and could still exceed attachment limits.

Using File Sharing Services

If your file is too large to send via email even after compression, consider using file sharing services like Google Drive, Dropbox, or WeTransfer. These platforms allow you to upload your large file and generate a link that you can share with your recipient. This method not only bypasses email attachment limits but also provides a secure way to share files with others.

Secure File Transfer Protocols

For added security and encryption, consider using secure file transfer protocols like SFTP (Secure File Transfer Protocol) or FTPS (FTP Secure). These protocols encrypt your files during transfer, reducing the risk of interception or unauthorized access. While setting up these protocols may require some technical knowledge, they provide a more secure way to send large files over the internet.

After researching and compiling the best practices for sending large files via email, I have gained a deeper understanding of the challenges and solutions in file sharing. By following the tips outlined in this guide, you can ensure that your large files are sent securely and efficiently to their intended recipients.


Now that you have the ultimate guide to sending large files via email, you can navigate the complexities of file sharing with ease. Remember to check email attachment limits, compress files when necessary, use file sharing services for larger files, and consider secure file transfer protocols for added security. Have you encountered any difficulties when sending large files via email? Share your experiences and tips in the comments below!

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