Recover Registration Key 

If you have lost your registration key or find that your current license doesn’t work, Please send email to service@marginnote.com

Bugs&Support

we are dedicated to developing top productivity apps for students and professionals. We would love to hear more from our customers to help us improve the performance of apps.  If you have any technical issue or want to submit a bug , please contact us via email: Service@marginnote.com

Sales&Enquires

For volume licensing discount, cooperation or requesting a review license, please send email to john@marginnote.com