ASPHTML file format description

Many people share .asphtml files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .asphtml file can be edited, converted or printed with. On this page, we try to provide assistance for handling .asphtml files.

1 filename extension(s) found in our database.

.asp - Active Server Page

The ASP development files are related to Microsoft IIS. The ASP file is an Active Server Page. Active Server Pages (ASP) is the server-side execution environment in Microsoft Internet Information Server (IIS) 3.0 that enables you to run scripts on the server.

Microsoft IIS
Development files
- / -
Active Server Page related extensions:
IDle Script Source
SystemVerilog File
AVRDUDE Eprom Data
MOPEKS Script File
E Source Code
WiX Include File

Naturally, other applications may also use the .asphtml file extension. Even harmful programs can create .asphtml files. Be especially cautious with .asphtml files coming from an unknown source!

Can't open a .asphtml file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .asphtml file format, then write to us! >> ASPHTML file