An er_ file extension is associated with the Microsoft Windows WinHelp compressed data format.

Detailed description

Software that open er_ file

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ER_ file extension - Microsoft Windows WinHelp compressed data

What is er_ file? How to open er_ files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

The er_ file extension is related to the Microsoft Windows WinHelp software.

Microsoft WinHelp is a proprietary format for online help files that can be displayed by the Microsoft Help browser winhelp.exe or winhlp32.exe.

The er_ file stores compressed data.

Updated: December 30, 2024

The default software associated to open er_ file:

Microsoft Windows Help icon

Microsoft Corporation logoMicrosoft Windows Help  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Windows Help is used to create help files for Microsoft Windows operating system and other Microsoft applications. Windows Help SDKs are different for every version of Windows it can be called Windows Help, Help and Support Center, Assistance Platform 1.0 Client - Windows Vista Help SDK, Microsoft Windows: HTML Help 1.4 etc.

Microsoft Windows icon

Microsoft Corporation logoMicrosoft Windows  Microsoft Windows software

Company or developer:
Microsoft Corporation

A family of operating systems developed by Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS. Currently, the latest version is Microsoft Windows 11.

Help how to open:

Use WinHelp to work with *.er_ files.

How to convert:

We do not know anything specific about any possible er_ conversion at this time.

List of software applications associated to the .er_ file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open er_ file, edit er_ file, convert er_ file, view er_ file, play er_ file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting er_ files.

Software that open er_ file - Microsoft Windows WinHelp compressed data

Programs supporting the exension er_ on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Microsoft Windows Help for open er_ file action.

Microsoft Windows:

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