Importing Tickets to Zoho Desk from other portal with conversation and attachments

Importing Tickets to Zoho Desk from other portal with conversation and attachments

Hello,

How can we import tickets from our old ticketing system with all replies to tickets and attachments?
We found a article for importing initial tickets but there is not any details or any article exist from where we can undersatnd to importing replies and attachments to those tickets.

Thank you,
Prafull