ASP+ file format description

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

1 filename extension(s) found in our database.

.asp+ - ASP.NET ASP+ File

The ASP+ development files are related to Microsoft Visual Studio. The ASP+ file is an ASP.NET ASP+ File. ASP.NET is a free web framework for building great websites and web applications using HTML, CSS, and JavaScript.

Microsoft Visual Studio
Development files
- / -
ASP.NET ASP+ File related extensions:
J Language Component File
FlashDevelop Macro
SGP Baltie Program
Gforth Blocks File
S-Lang Source Code
XML Query Language

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

Can't open a .asp+ 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.

The .asp+ file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Procomm Plus ASPect Script
Astound Presentation
Active Server Page
Adobe Color Separation Setup Data
Alphacam Stone Post Data
MGS Antenna SPK File

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 .asp+ file format, then write to us! >> ASP+ file