Solution : https://service.sap.com/sap/support/notes/849733 (SAP Service marketplace login required)
Key words :
choose 'tools' -> 'folder options, choose tab 'file types', displayed internet planning table, transaction/sapapo/clpisdp, internet planning book, prerequisites missing setting, system behavior make, select extension 'xls', deselect checkbox 'browse, seperate application window
Related Notes :
| 871110 | Excel-download is executed again when Return is pressed |
| 846857 | Integrated ITS, MS Office 2003 session timeout |