Crystal Reports Launcher — How to launch Crystal Reports — Universal 1. Go to SAP Crystal Reports Viewer, and click the Data tab on the left. Then click Open. 2. On the Data tab, right-click any RPT file you want to open. Then click Open. 3. The Crystal Reports Launcher window opens (just as if the crystal reports had been opened with a file chooser). 4. Click Next and then Finish finishing the installation process. Crystal Reports Launcher — How to set the data connection Open Crystal Reports Viewer, right-click the DATA tab, then click Properties. Under the Data Connection tab, click + and set “Open data connection” to “SAP.” (If you'll notice a warning, click Cancel to change the settings). If you're using a Windows PC, change “Data connection” to “SAP.” Crystal Reports Launcher — How to configure a firewall Open the SAP Crystal Reports Viewer folder. Double-click the SAPCrystalReports.exe to start the installation process.