| hfp | XnView Filter Settings |
| hgeol | Mercurial EOL Data |
| hgrc | Mercurial Configuration Data |
| hid | Sony Ericsson Bluetooth HID Configuration |
| hkc | HTML-Kit Auto Complete Shortcuts Data |
| hml | HostMonitor TestList Data |
| hnh | HTTP Net Header Configuration |
| hotkeys | 3D-Coat Hotkeys Settings Data |
| how2 | Visma Performit Player Configuration |
| hrt | Heart-Profit Configuration |
| hsg | HAHTsite Site Configuration for AS Group |
| hst | HAHTsite Site Configuration Data |
| ht | HyperTerminal Settings |
| htaccess | Apache htaccess File |
| htgroup | Apache htgroup File |
| http | Apache HTTP Configuration Data |
| https | Apache HTTPS Configuration Data |
| hvm | Xen HVM Configuration File |
| hvpn | HSS Elite VPN Configuration |
| hwdef | Linux Kernel Hardware Description |
| i2s | Invision for mIRC Settings Data |
| iaf | Microsoft Outlook Internet Account Settings |
| ick | IntelliCAD Custom Keyboard File |
| icst | Adobe InCopy Document Settings File |
| icte | Mac OS X Internet Configuration Data |
| idc | Internet Database Connector |
| iddx | Adobe InDesign Static Defaults File |
| idg | Majax Configuration |
| idi | DB/TextWorks Last-used Settings |
| idp | IBM PComm Interchange Document Profile |
