Opening an SM3 File

The SM3 file type is primarily associated with SmartSky Data Logger.

SM3	File extension: SM3
	File type:	data file

What is an SM3 file?

SM3 files mostly belong to SmartSky Data Logger. Your SM3 file may refer to one of several distinct formats. The primary version is a SmartSky data export file. It usually holds JSON data generated by the SmartSky Data Logger for recording signal events.
Other variants include:

A 3D model file from Blade II, typically used with 3D Studio Max for game and visual design.

A 3D shape model used in CAD work by applications such as ShapeModeler or Siemens NX.

An Shader Model 3 file produced by the Microsoft HLSL Shader Compiler. This is a compiled DirectX shader, used for rendering in graphics applications. More details can be seen at DirectX Shader Compiler.

FilExt.com tip: For the 3D model file, more information is available at Autodesk 3DS Max Overview. Each variant requires its dedicated application to open and view the file properly.

How do you open SM3 files?

You need a suitable software like SmartSky Data Logger to open an SM3 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your SM3 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SM3 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SM3 Text Viewer

Choose your .sm3 file to analyze

or drag and drop it here

Online File Viewer

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SM3 file format details:

The file format determines how the data is stored in the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. If there are problems opening a file, you must first determine the file format used. Our examination of the SM3 files comes to the following conclusion:

SM3 is not a common file extension and is used by different programs with different formats. The two most popular formats are as follows:

• 45% of all SM3 files store the data in the JSON file format. JSON (JavaScript Object Notation) is a lightweight data−interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. These files are plain text, which means they can be viewed with any text editor such as Windows Editor, Nano for Linux, and TextEdit for macOS. A typical file size is 33 KB. The file type is a fairly new file format. The files contain the following words: DataLoggers, exportDate, file, format, hardwareVersion, meterSerialNumber, name, source, version, firmwareVersion and SAT1. The file name SmartSkyExport.sm3 or SmartSkyExport-2.sm3 is typical for these files.
• 10% of all SM3 files start with the magic bytes 00 0 , which are always the first bytes of this file format. These files are text files and can therefore be read using a text editor. The file size is in the range of 49 KB to 4 MB. Certain words are almost always found in the files, such as ACIS, Spatial, body and 1 9.9999999999999995e-07 1e-10.

All the rest of the SM3 files (45%) have different formats, frequently e.g. HSM and OSXF. Sometimes used for spacer or tile. Drag & drop your file here to see the file format and a preview of your SM3 file!