Okay so they sent me a qby file...now what?
File extensions used in QuickBooks:
http://support.quickbooks.intuit.com/support/Pages/InProductHelp/Core/QB2K8/ContentPackage/Core/File_Other/info_file_extensions.html
Stumbled across a nice web site that lists all the Quickbooks file types that you can see on a Quickbooks deployment. Today a client of ours sent a qby file back on a usb drive. We scratched out heads and went..."uh, isn't that the file we sent them that has the accountant's adjustment file?"
It was indeed just that.
Read the complete post at http://msmvps.com/blogs/bradley/archive/2008/12/05/okay-so-they-sent-me-a-qby-file-now-what.aspx