Hello ​@Anne M,
Thank you for reaching out, and welcome to the Docusign Community! We appreciate your question and assure you that we are fully committed to providing you with the best service possible. 

The file size increases when signed because information is added to the PDF.
The extension of the file size growth will depend on some factors such as the signature appearance, which can use an image, additional signature information (reason, location, etc.), the key algorithm used, the digital ID type, and so on. If a detailed high-resolution photo is used in the chosen appearance instead of a 2-color gif logo, the difference in the size increase will be big.

File Size Limitations for an Envelope
 

Along with the file format, there are file size and page count limitations for your file uploads.

For best performance, Docusign recommends restricting your file uploads to no more than 5 MB.

The 25-MB maximum file size limit is the maximum size of an individual file uploaded to an envelope.

For the completed PDF to be included with the completed email notification, the size cannot exceed 5 MB. If the completed documents are larger than 5 MB, the email provides a link to the documents on the Docusign system.

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Best regards,

Ma. Cassandra | Docusign Community Moderator

"Select as Best" below if you find the answer a valid solution to your issue

​@Anne M 

Did your signer upload a custom signature? If the signature is the only thing “added” to the document, maybe ask if they could use a new/different signature?

good luck

mr1

Hello ​@Anne M,

I hope you are doing well. 

I want to confirm if you were able to solve your issue by utilizing the suggested solution or if the information provided was useful.

Let me know and I will gladly help you address the situation as soon as possible.

Best regards,
Ma. Cassandra | Docusign Community Moderator

"Select as Best" below if you find the answer a valid solution to your issue!

​@Anne M maybe the signer use upload document which is sign on print ：https://support.docusign.com/s/document-item?language=en_US&bundleId=yca1573855023892&topicId=ctc1573855014359.html&_LANG=enus

We usually let the customer disable this option.

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Hello ​​@Anne M 

I hope you are doing well. 

I want to confirm if you were able to solve your issue by utilizing the suggested solution or if the information provided was useful.

Let me know and I will gladly help you address the situation as soon as possible.

Best regards,
Ma. Cassandra | Docusign Community Moderator

"Select as Best" below if you find the answer a valid solution to your issue!