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2 Effective Ways to Send Large PDF Files

"Hi there,

I'm trying to send some PDF documents to my clients right now but they won't go through. I keep getting an error message stating that my file size is too large. Is there any way I can fix this problem? Please, kindly help me out as I'm due for submission."

Sounds familiar? Have you ever suffered from sending large PDF files to others? Maybe your thesis with over 100 pages? Or a large-size draft contract? Have you ever been in this situation and didn't know how to email large PDF files? We've got a step-by-step guide that explains how to send large PDF files without stress. Two powerful techniques are presented in the guide. Read on to see what the guide entails.

Solution 1. How to Send Large PDF Files via Email Attachment

You can send your large PDF files via email attachment. This technique is one of the easiest and most free methods you can find on the net. The prerequisite is that you have an active mailbox and the mailing address of the recipient to whom you want to send the PDF files.

Don't have one? Here are some popular cloud-based mailing services that you could visit to create a mailbox profile: Outlook, Gmail, and iCloud Mail. Although these mailing services will send your large PDF files without interruption, there are some dark sides attached. Each mailing service has a size limit. Here is a table showing the file size limit for each mailing service:

Email Box
Attachment Size Limit
Outlook 33 MB
Gmail 25 MB
iCloud Mail 10 MB

Despite the dark side stated above, should you still wish to send your large PDF files via email attachment, kindly follow the instructions below:

1. Zip PDF File

Before sending your large-size PDFs, it's crucial to zip the files. This would help you compress the size so you can easily import and send them via email. Zipping PDF files is simple, however, depending on the computer operating system you have, the technique involved is quite different.


  • On your Windows home screen, right-click the PDF file. Some options will pop up.
  • Scroll down to "Send to" and then click on it. Select "Compressed (zipped) folder" from the options that pops up.
  • Then, the large PDF file will be zipped.
how to send large pdf files zip windows


  • Confirm the "Finder" icon on your Mac computer is active by clicking on it.
  • Next, hold down the left button on your mouse, move the cursor over the PDF files you wish to compress, and then select "Compress" from the shortcut menu.
  • The compressed .zip file will have the name of the original item.
how to send large pdf files zip mac

Now that you've successfully compressed the PDF files into .zip format, let's move a step further into how to attach and send the zipped file.

  • Make sure you have an internet connection on your computer, and then launch the preferred mailing service.
  • Locate the "Attachment" icon and then click on it. You will be directed to your local drive to select the zipped file.
  • Choose the zipped file to send, then click on "Open" to upload it.
  • Enter the recipient's mailing address in the appropriate field and then send the file.

Allows you to send zip files directly from your mailbox

Reduces file size for easy transfer to the recipient

Absolutely free to use


Compressed files can be easily compromised and lost

Restriction on the number of files that you can compress

Limitation on the size of PDF files to be emailed

2. Compress PDF File

Besides using the built-in compression feature integrated into your computer system, you can employ the services of third-party software like the Wondershare PDFelement to send large PDF files.

Wondershare PDFelement - PDF Editor is an all-in-one PDF solution that lets you compress PDF file to reduce its size. It also allows you to send your large PDF files without interruption. You don't have to be vast with information technology to use Wondershare PDFelement. The user interface is simple and clean enough for smooth navigation.

To compress your PDF files using Wondershare PDFelement, follow the step-by-step guide given below:

  • Install the Wondershare PDFelement software on your Windows or Mac computer.
  • Launch the software and then click on "Open PDF" on the quick start screen.
how to send large pdf files compress open file
  • Next, select "Tool" at the top panel. Click on "Compress" to proceed with PDF file compression.
  • An interface requesting you to select your preferred level of optimization will pop up. Kindly select one (High, Medium, or Low), and then click on "Apply".
how to send large pdf files compress PDF

After compressing your PDF files, follow the instructions below to send it to your recipient via email attachment:

Step 1 Locate the "Arrow down" button at the top left corner of your screen and then click on it. A drop-down menu with selevel options will come up. Select "Send Email".

how to send large pdf files document cloud

Step 2 The compressed file will be automatically attached to a new email in your mail box. Enter the recipient address and subject in the appropriate fields, then send the file.


Compressed large PDF files to very small size

Allows to choose the compression quality


Possible quality loss

Solution 2: How to Send Large PDF Files via Wondershare Document Cloud

Aside from email attachments, there is another technique you can use to send large PDF files with Wondershare PDFelement.

Different from sending large PDF files via email attachment, here you are required to upload the file to the cloud, create a share link for it, and then send the link to the recipient.

Wondershare PDFelement - PDF Editor supports cloud-based services like Google Drive, Dropbox, OneDrive and Box. It also has a built-in cloud-based service called a href="https://pdf.wondershare.com/document-cloud/">Document Cloud, which is one of thetop document management systems in the market. You could upload your files to Wondershare Document Cloud and share them with friends and clients. Document Cloud is highly efficient and secure.

Have you ever struggled for hours thinking about how to share large PDF files easily? No need to worry anymore. We've got you covered. Check out the video below to find PDFelement, the best way to edit, convert, compress and share large PDFs.

Generate Sharing Link Within PDFelement

To send large PDF files via Wondershare Document Cloud, here is a detailed instruction you could follow:

Step 1 Launch the Wondershare PDFelement software and open the large PDF file.

Step 2 Click the "Share" button on the top-right corner.

Step 3 In the pop-up "Wondershare Document Cloud" window, enter the file name and click "Save" to upload the file to the cloud.

how to send large pdf files share

Step 4 In the "Sharing" window, a link will be automatically created. Copy the link and send it to others. Anyone who receives the link can view and add comments on the PDF files without the need to download any software.

how to send large pdf files link

Generate Sharing Link in Wondershare Document Cloud

Apart from generating a sharing link within PDFelement software, you can upload file to the cloud first and log in to the cloud to set a verification code for the sharing link. Please follow the steps below:

Step 1 Launch the Wondershare PDFelement software and open the large PDF file.

Step 2 Next, click on the "File" drop-down menu at the top left corner of your screen. A couple of options will immediately pop up. Select "Save to Cloud" and then choose a cloud-based service to upload the PDF files. Here we are selecting "Document Cloud" as our preferred cloud-based service.

how to send large pdf files document cloud

Step 3 A dialogue page will pop up on completing the above. Kindly tap on "Upload" to add the PDF files to the cloud. Wait a while for uploading to complete.

how to send large pdf files upload to document cloud

Step 4 Go to Document Cloud, and you will be directed to the official webpage for Wondershare Document Cloud and login to your Wondershare account.

how to send large pdf files wondershare cloud

Step 5 Next, locate the PDF file you wish to send and click the three dots behind the file name. Select "Share".

how to send large pdf files wondershare cloud share

Step 6 In the pop-up dialog, make necessary adjustments on the permission settings, add a verification code and choose a deadline as needed. Finally, click "Create Link".

how to send large pdf files wondershare cloud settings

Step 7 Copy the link created above and share them with your clients. So easy!


Recipients don't need to install the Wondershare PDFelement software on their computer to access the shared PDF files.

Recipients can easily access shared PDF files from any device, whether it's a mobile device or a computer.

Supports real-time collaboration of team members as they can easily make adjustments to PDF simultaneously.

Shared links are secured with code so intruders can't access the content of your files.

Keeps your files in sync anytime and anywhere.


Recipient must use the shared link before the deadline to access the file

With the solutions provided in the article above, sending large PDF files should be a walk in the park for you. We've provided you with 2 powerful techniques proven to be efficient by experts. Select one and see the results in no time.

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