An sm3 file extension is related to the XPMPro software and used for its data file format.

There is one other file type using
the SM3 file extension!

empty icon.sm3 - DataCAD symbol data

Detailed description

Software that open sm3 file

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SM3 file extension - RHK Technology proprietary file format

What is sm3 file? How to open sm3 files?

File type specification:

Various data file type icon Various data file type

The sm3 file extension is associated with the XPMPro.

The sm3 file contains saved data from XPMPro.

The SM3 format is discontinued file format and the successor is the SM4 format.

This sm3 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: July 21, 2019

The default software associated to open sm3 file:

XPMPro picture or screenshot

XPMPro  Microsoft Windows software

Company or developer:
RHK Technology, Inc.

XPMPro is spectrum analyzer for Microsoft Windows. XPMPro offers feature-filled analysis and processing techniques that will powerfully illustrate every hidden and novel feature awaiting discovery in your data.

Help how to open:

Use XPMPro to open SM3 files.

How to convert:

Use XPMPro to convert SM3 file to new SM4 format or to export it in common graphics formats.

Find conversions from sm3 file:

sm3 to sm2

sm3 to sm4

Find converter to sm3 file type:

sm2 to sm3

List of software applications associated to the .sm3 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 sm3 file, edit sm3 file, convert sm3 file, view sm3 file, play sm3 file etc. (if exist software for corresponding action in's database).

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 sm3 files.

Software that open sm3 file - RHK Technology proprietary file format

Programs supporting the exension sm3 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about XPMPro for open sm3 file action.

Microsoft Windows:

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SM3 file extension > Various data file types

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file extension SM4


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