Here is a quick reference on where to store files when you access a client server from the management console at manage.swizznet.com.
Program Installer Packages: Store temporarily on the C:\ and remove once installation is completed
Installing Apps: Apps are installed on the C:\. All data for those applications should be stored on E:\data\COMPANYCODE\
All Data For Client Access: Store this data in E:\data\COMPANYCODE\
COMPANYCODE can be found next to the company name in the management console or in the Company Details: