>Hi,
> How to send file from client's workstation (branch) to head office's server which through internet ? Do I need to apply domain name before that?
> Any steps do i need to take ?
>
>
>Thank you

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There are multiple ways.
1. Setting up an FTP server on your site
2. Use VPN to have a private network over the web
3. Attach the file with an e-mail message
and probably more