>> ISP file

ISP file format description

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

1 filename extension(s) found in our database.

.isp - Internet Sign-up Settings

The ISP configuration files are related to Internet Explorer. ISP file is an Internet Sign-up Settings. ISP file provides dial-up information for your Internet services.

Internet Explorer
Configuration files
- / -
Internet Sign-up Settings related extensions:
Client Connection Manager Config
Runtime Configuration File
Microsoft Setup Table File
Remote Desktop Connection Settings
Accessibility Wizard Settings
Windows System Configuration

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

Can't open a .isp 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 .isp file extension is often given incorrectly!

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

icp, ip, ips, iqp, is, isl, iso, iwp, izp, jsp, ksp, lsp, osp, sip, sp

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Orion Sampler Program
SIP Specification File
Inno Setup List
Powersim Studio Model
KeyShot Package
InstallShield Pro Log

Operating systems currently supports the following operating systems:

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

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