*.xar	Xara X Dokument
*.xbm	Internet Image (Autoload)
*.xla	Excel Add-In Dateien
*.xlb	MS Excel-Datei
*.xlc	Excel Chart (Diagramm)
*.xld	Excel Dialog Datei
*.xlk	Excel Sicherungsdatei
*.xll	Excel XLL-Add-In
*.xlm	Excel Makrovorlage
*.xls	Excel Tabelle
*.xlt	Excel Template (Vorlage)
*.xlv	Excel Visual Basic Modul
*.xlw	Excel Workgroups