How can I import my contacts and data from Basecamp to Proofhub?
You can perform following steps to import data from basecamp to your proofhub account. 

Go to 


Settings tab 
Proofhub settings 
Import tab
You have an option there whether you want to import from basecamp next. 
After selecting the appropriate option fill your basecamp details and then click on import project. 
All your data will be transferred to your new home for project management. For more information you can follow at http://help.proofhub.com/account/import-basecamp/