How to: Upload a File or Report (Management Studio)
To upload a file or report
In Object Explorer, expand a report server node. All reports and resources are stored in the Home folder and its subfolders.
Right-click the folder where you want to upload a file, and then click Import File.
Locate the file or report by clicking the browse (…) button next to File to Upload.
After selecting the file or report to upload, click OK.