Basic information about PS1 file

When there is a problem with opening files with the file extension PS1（*.PS1 or *.ps1）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the PS1 file yourself.

There are 2 file types using the PS1 file extension in our database. In the further part of this page, you will find detail information about all the PS1 file with their brief description and a list of programs that support PS1 file sorted by operating systems. The table below provides useful information about the PS1 file extension. It answers questions such as:
  • What is the PS1 file?
  • How to open a PS1 file?
  • What programs do I need to open a PS1 file?
  • What programs help to create and edit a PS1 file?
  • How to convert PS1 files to another file format?
  • How to convert another files to PS1 file format?


1.Detail information about PS1 file extension: Windows PowerShell Cmdlet File

File type Windows PowerShell Cmdlet File Category Executable Files
Developer Microsoft File format Text
Description PS1 file is a Windows PowerShell Cmdlet File developed by Microsoft. Script, or "cmdlet," used by Windows PowerShell, a Windows shell program built on Microsoft's .NET Framework; contains a series of lines written in the PowerShell scripting language; similar to a .BAT or .CMD file, but executed by Windows PowerShell instead of the Windows CMD.EXE and COMMAND.COM programs.
Software programs that will open, edit or convert PS1 files

Windows		 File Viewer Plus
Microsoft Windows PowerShell


2.Detail information about PS1 file extension: Microsoft Indexing Service Data File

File type Microsoft Indexing Service Data File Category System Files
Developer Microsoft File format Binary
Description PS1 file is a Microsoft Indexing Service Data File developed by Microsoft.
Software programs that will open, edit or convert PS1 files

Windows		 Microsoft Windows



Can't open a PS1 file?

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

”Can't open this file: example.PS1”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the PS1 extension without any issue.


Where I can download the application that support PS1 file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of PS1 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/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a PS1 file?

The reasons for the lack of the ability to open a PS1 file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a PS1 file. If there is still something wrong, you might want to check:

  • Whether the PS1 file is damaged.
  • Whether the PS1 file is incorrectly linked in the registry entries.
  • Whether the PS1 file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the PS1 file format is incompletely.
  • Whether the PS1 file is infected.
  • Whether the drivers of the equipment used for opening a PS1 file are up to date.
  • Whether your computer has enough hardware resources to open a PS1 file.

If the PS1 file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.