| HyperTerminal Session Format | |
| Hilgraeve | |
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HT is a binary file that contains setting ued by HyperTerminal, a terminal emulator. HT are used for managing network traffic.
HyperTerminal tools was included in Microsoft Windows systems up to Windows XP. Later version of Windows no longer included HyperTerminal as it wasn’t popular and considered a niche tool.
Windows
| .a2theme | Aston 2 Theme Format |
| .acb | Adobe Color Book Format |
| .acbl | Adobe Color Book Format |
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| .acrobatsecuritysettings | Adobe Acrobat Security Settings Format |
| .acrodata | Adobe Acrobat Data Format |
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| .acw | Microsoft Accessibility Wizard Format |