Data Transferring

Data Transferring

Hello , 

I am Transferring all the data to Zoho from 2017 Till Now . Can i record all sales invoices for 2017 , 2018 and 2019 first ,  then i record all the payments ( 2017 , 2018 & 2019 )  and expenses ( 2017 , 2018 & 2019 )  .. or it will effect the financial end closing 

Best Regards