Q: How can I make my browser open a csv file automatically?
A: You need to assign the program that will be used. Click on "My Computer", then in the menu bar click Tools->Folder Options. Open the File Types tab. Scroll to and click the "CSV" extension. Assign it to Microsoft Excel.

Q: How can I best download a file to see it in Excel?
A: Downloads get messed up if they are saved as type .txt (the default), with extension .xls.
This seems to always work:

Right click and save target as
File Extension: do not change (e.g. testx.csv)
File Type: All Files
When file has been saved, start Excel
Within Excel: File->Open

Q: Can I ask to have the files compressed?
A: Contact your Henry Schein representative. All report files can be provided to you in a standard ZIP format.