ISP File Extension

ISP file icon

IIS Internet Service Provider Settings

What is a ISP file?

The ISP extension is used by IIS Internet Service Provider Settings and falls under the categories of Blocked Email Attachment Files and Settings Files, covering 1266 files.

Microsoft, the developer of the IIS Internet Service Provider Settings (ISP), has released file format and 242 programs designed to handle them.

ISP file support extends to various operating systems, including Windows. There are 5 programs available to settings a ISP file, including popular tools like Microsoft Edge, Internet Explorer and Microsoft Internet Information Services.

How to open a ISP file?

If you are having trouble opening a ISP file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

Thanks to their popularity, Microsoft Edge, Internet Explorer and Microsoft Internet Information Services are often the go-to programs for managing ISP files. If you want the most recent release of Microsoft Edge, head over to the Microsoft site and download the version designed to run on all platforms.

After completing the installation, ISP files should be recognized by the system and linked to Microsoft Edge.

Set Microsoft Edge as your default ISP viewer

Set default app to open files on Mac

  1. Right-click or Control + left-click on the desired ISP file to open a menu of available actions;
  2. Choose "Open in Application" and click "Other";
  3. In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
  4. Select "All Programs" in this menu, and then search for Microsoft Edge. Check the box next to "Always open in app" to make sure it’s the default option.

Change a default app in Windows

  1. To get started, right-click your ISP file, then choose "Open With" and select "Choose Another Application" from the context menu;
  2. From the list of applications in the pop-up window, find and select Microsoft Edge as your desired application;
  3. Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening ISP files.

Solving Common ISP File Challenges

While ISP files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.

What Causes Microsoft Edge to Crash Frequently?

Insufficient software updates are a likely cause of Microsoft Edge crashes. Be sure to install the latest updates for Microsoft products.

A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.

How can I restore a damaged ISP file?

Start a data recovery program and open the damaged ISP file. Then, choose the "Repair" option from the menu. Allow the recovery process to complete, which will automatically repair the damaged blocked email attachment files.

How can I determine if my ISP file is damaged?

Characteristics of corrupted ISP blocked email attachment files can include:

  • Microsoft Edge or other programs stop responding or crash when trying to handle the file;
  • Error notifications appear during file manipulation;
  • When opening the file, errors occur or the inability to access its contents;
  • Unexplained ISP file size inflation;