Option A Getting Started Guide
Option D with Control Center User Guide
Options D and O Spreadsheets User Guide
That depends on how you created the files and the choices you or the software you used made when the files were saved. If you are using software from another vendor or creating the files yourself, either you or the software chose the file location.
If you are using the PRL Reporting Software from the Pesticide Reporting Service Bureau, you have a lot of flexibility in where you choose to save the files. See Report Folder and Report Root in the Glossary for more information.