.PS1 File Extension

PS1 files exist as 2 different types. Please find information about each of them below.

Type 1: Windows PowerShell Cmdlet File

Cmdlets can automate Windows tasks. For example, cmdlets may rename files or examine the registry. Cmdlets support aliases, pipelines, and parameters. PowerShell scripts have a .ps1 extension. You can...

General Information

Title PS1 File Extension
Extension .ps1
Full Form PowerShell Script File
File Type Script File
Developer Microsoft Corporation
MIME Type text/plain

File Function

Primary Function Automate tasks
Additional Functions Configuration management, System administration
Features Cmdlet usage, Scripting, Task automation

File Characteristics

Quality Depends on script
Supports Layers N/A
Supports Transparency N/A
Editable Yes

Use Cases

System Management Yes
Automation Yes
Development Yes

Security and Practices

Security Risks Script execution
Best Practices Execution policy, Code signing

Historical/Version Information

Initial Release 2006
Latest Version PowerShell 7.2 (2021)

Associated Types

Similar Extensions .psm1, .psd1, .psc1, .ps1xml

Software Compatibility

Software Usage Policy OS Compatibility
Windows PowerShell Free Windows
PowerShell Core Free Windows, Mac, Linux
Visual Studio Code Free Windows, Mac, Linux

Type 2: Microsoft Indexing Service Data File

A PS1 file contains data used by the Windows Indexing Service feature. It creates an index of searchable file information. This data helps the system perform quicker searches. It is often in the C:\Sy...

General Information

Title PS1 File Extension
Extension .ps1
Full Form PowerShell Script File
File Type Script File
Developer Microsoft
MIME Type text/plain

File Function

Primary Function Execute commands
Additional Functions Automate tasks, Scripting

File Characteristics

Quality Depends on script
Supports Layers N/A
Supports Transparency N/A
Editable Yes

Use Cases

System Administration Yes
Task Automation Yes
Configuration Management Yes

Security and Practices

Security Risks Script injection, Malicious code
Best Practices Execution policy, Code signing

Historical/Version Information

Initial Release 2006
Latest Version PowerShell 7.2

Associated Types

Similar Extensions .bat, .cmd, .sh

Software Compatibility

Software Usage Policy OS Compatibility
Windows PowerShell Free Windows
PowerShell Core Free Windows, Mac, Linux
Visual Studio Code Free Windows, Mac, Linux