A daily updated filename extension database!

ISP file extension

The table below provides useful information about the .isp file extension. It answers questions such as:

  • What is the .isp file?
  • What program do I need to open a .isp file?
  • How can the .isp file be opened, edited or printed?
  • How can I convert .isp files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Internet Sign-up Settings

ISP file is an Internet Sign-up Settings. ISP file provides dial-up information for your Internet services.
Application: Internet Explorer
Mime-type: application/x-internet-signup
Magic number: -
Magic string: -
Sample: -
ISP aliases:
ISP related links:
ISP related extensions:
Configuration File

Initialization File

Compressed ISP File

Compressed INI File

Other types of files may also use the .isp file extension.

🚫 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?

We found the following similar file extensions in our database:

Orion Sampler Program
OpenShot Project
ISO 9660 Cd-Rom Disk Image
Remote Call Profiler Data
Dungeonforge Game Data
Modula-3 Intermediate Assembly File
LTspice Netlist Data
IconPackager Theme Data
SIP Specification File
Java Servlet

🔴 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .isp file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .isp file extension, write to us!

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