Try use megaupload or sendit kind of web storage tool. They are all browser based and easy to use. If file is too big, you might need to think another way.
But if you are accessing your company network, you should already ben in VPN I think. Then you can just access the shared folder (remember you need to use FQDN)
But if you are accessing your company network, you should already ben in VPN I think. Then you can just access the shared folder (remember you need to use FQDN)