File Extension SMX

.SMX File

File extension: SMX
File type: Rational XDE


Notes about the SMX file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The SMX file type is primarily associated with 'Rational XDE' by IBM.

Detailed information for file extension SMX:


Primary association: Rational XDE
Company: IBM

Other applications associated with file type SMX:

  • SoniqSync by SoniqCast, LLCAn internal extension used by the SoniqSync program but not registered with the system. No user data in this file.
  • Statistica Matrix Spreadsheet
  • SysMetrix (Skin) by Nicholas DeckerSysMetrix is a skinnable clock and metering application. It's purpose is to provide system metrics in a variety of ways. This association is classified as Archive. The identifying characters used for this association are - Hex: 50 4B 03 04 , ASCII: PK
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension SMX click this link to expand/hide the additional area.

System Info for File Extension .SMX

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: SysMetrix
EXEFile: %ProgramFiles%\SysMetrix\SysMetrix.exe %L


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