Some types of files cannot be sent in a Communicator chat message.
The following table lists the file types that are not supported by the send file option in a chat window.
| File extension | File type |
|---|---|
| .ade | Microsoft Access project extension |
| .adp | Microsoft Access project |
| .app | Application file |
| .asp | Active server page |
| .bas | Microsoft Visual Basic class module |
| .bat | Batch file |
| .cer | Internet Security Certificate file |
| .chm | Compiled HTML Help file |
| .cmd | DOS CP/M command file, Microsoft Windows NT command script |
| .cnt | Windows Help contents file |
| .com | Microsoft MS_DOS program |
| .cpl | Control Panel extension |
| .crt | Security certificate |
| .csh | Script file |
| .der | DER Encoded X509 certificate file |
| .exe | Executable file |
| .fxp | Microsoft Visual FoxPro compiled program |
| .gadget | Windows Gadget |
| .grp | Windows program group file |
| .hlp | Help file |
| .hpj | Help project file |
| .hta | HTML program |
| .inf | Information or setup file |
| .ins | Internet Naming Service |
| .isp | Internet Communication settings |
| .its | Internet Document Set file |
| .jar | JAVA archive file |
| .js | JavaScript source code |
| .jse | JScript Encoded script file |
| .ksh | UNIX Shell script file |
| .lnk | Windows shortcut |
| .mad | Microsoft Access module shortcut |
| .maf | Microsoft Access shortcut |
| .mag | Microsoft Access diagram shortcut |
| .mam | Microsoft Access macro shortcut |
| .maq | Microsoft Access query shortcut |
| .mar | Microsoft Access report shortcut |
| .mas | Microsoft Access stored procedures |
| .mat | Microsoft Access table shortcut |
| .mau | Media attachment unit |
| .mav | Microsoft Access view shortcut |
| .maw | Microsoft Access data access page |
| .mcf | Manifest configuration file |
| .mda | Microsoft Access add-in program |
| .mdb | Microsoft Access program |
| .mde | Microsoft Access MDE database file |
| .mdt | Microsoft Access data file |
| .mdw | Microsoft Access workgroup |
| .mdz | Microsoft Access wizard program |
| .msc | Microsoft Common Console document |
| .msh | Windows PowerShell script helper |
| .msh1 | Windows PowerShell script helper |
| .msh2 | Windows PowerShell script helper |
| .mshxml | Windows PowerShell script helper |
| .msh1xml | Windows PowerShell script helper |
| .msh2xml | Windows PowerShell script helper |
| .msi | Windows Installer package |
| .msp | Windows Installer update package file |
| .mst | Visual Test source file |
| .ops | Microsoft profile settings file |
| .osd | Open software description file |
| .pcd | Microsoft Visual Test compiled script |
| .pif | Windows program information file |
| .pl | Perl script file |
| .plg | Developer Studio build log |
| .prf | Outlook profile file |
| .prg | Program source file |
| .ps1 | Windows PowerShell |
| .ps1x | Windows PowerShell |