How to add another picture/file to a dispute

[MS1213]

A seller misrepresented a dress as a size xxl but a size XL was received. Seller won't refund. Filed a dispute but need to add more pictures/files to dispute but unable. Need help.

[PayPal_Ayesha]

Hello @MS1213,

Thank you for your post and welcome to the Community Forum! For information to provide additional information, please take a look at this help center article. If you need any help or facing any issues while uploading the documents, kindly reach out to our customer support team so that our advisors can look into your account and help you accordingly. 

Regards,

Ayesha