Open Viber on your PC
Sign in with the same Viber account used on your phone
Make sure your phone is connected to the internet
Open the chat you want to save
Scroll through the conversation to load the messages you want to keep
Copy the messages and paste them into a text file or document
Save the file on your PC in a safe folder
Take screenshots of important chats if needed
Save any shared photos, videos, or files from the chat to your PC
Use Viber Desktop chat export options if available in your version
Keep a regular manual backup of important conversations on your PC