| InstallShield Script Format | |
| Microsoft | |
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INS is a Microsoft Windows file that stores various web-related settings. INS files facilitate the process of connecting various software services to the internet.
INS data format is used for configuring both broadband and modem connections. INS files can also be used for setting up LAN networks used by Internet Explorer browser on older Windows versions.
| .a2theme | Aston 2 Theme Format |
| .acb | Adobe Color Book Format |
| .acbl | Adobe Color Book Format |
| .aco | Adobe Photoshop Color Palette And Swatches Format |
| .acrobatsecuritysettings | Adobe Acrobat Security Settings Format |
| .acrodata | Adobe Acrobat Data Format |
| .acv | Adobe Photoshop Colour Curves Format |
| .acw | Microsoft Accessibility Wizard Format |
