All about FS2F Files

The FS2F file type is primarily associated with FluoroLog.

FS2F	File extension: FS2F
	File type:	data file

What is an FS2F file?

FS2F files mostly belong to FluoroLog. FS2F files are fluorescence data files generated by FluoroLog instruments, notably seen in the Fluorolog 3-2-2 data files.
This format uses the Microsoft Compound file system to store multiple streams of spectral measurement data within one container.
Key details compiled by FilExt.com include:

It holds raw fluorescence readings from experiments.

It uses a structured internal format that supports complex data storage.

Opening these files requires dedicated fluorescence analysis tools; see Horiba for guidance.

How to open an FS2F file

You need a suitable software like FluoroLog to open an FS2F 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 FS2F file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a FS2F file directly in the browser:. Just drag the file onto this browser window and drop it.

Online FS2F Text Viewer

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Programs that open and convert FS2F files:

FluoroLog
See the previous paragraphs to learn more about the main application. FS2F files are often referred to as FluoroLog data files because this type of file is primarily created or used by this software.
FluoroLog 3-2-2
The *.FS2F file extension is primarily associated with fluorescence data files generated by the FluoroLog spectrofluorometers, particularly the Fluorolog 3-2-2 model, from HORIBA Scientific. These files store the raw data captured during fluorescence experiments, including excitation and emission spectra, time-resolved fluorescence decays, and other relevant parameters. The internal file format is a proprietary Microsoft Compound format specific to the FluoroLog software. The FluoroLog 3-2-2 is a modular spectrofluorometer system known for its high sensitivity and versatility in various fluorescence applications. This file format is classified as Data file.

FS2F file extension format:

If you can determine the file format, the associated program can also be determined. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. In the following you will find our evaluation of the FS2F files:

The FS2F file type is primarily used by a single program. However, the following two file formats are common:

98% of all FS2F files are based on the Microsoft Compound File format, also known as Compound File Binary File format (CFBF or CFB) or OLE2 Compound Document format. This is a complex container format used by earlier versions of Microsoft Office and other Windows programs. Header signature for the CFB format with 8-byte Hex value D0CF11E0A1B11AE1 (which looks like "DOCFILE"). The file contains sections that are named something like Contents, DataStorageHeaderInfo, NumberofSaved, SummaryInformation, Version and DataStorage1. The files are on average 27 KB in size and range from 18 KB to 37 KB. This file type is based on cutting-edge technology. An example of a file name is File_20180601.fs2f. These files are attributed to emission, tonic, quinine, kinine, trial, high, fluorescence, sample, water and expt.

All other FS2F files (2%) have no uniform format. If you want to find out what your FS2F file contains, drag and drop it onto this page.

Technical Data for FS2F File Extension

File classification:

Data

Related files:

spe, fcs, raw, cdf, fs2, dat

an fs2f data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with FS2F files

Associate the FS2F file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest FS2F file format. Search, therefore, e.g. on the manufacturer website after an available FluoroLog update.
To make sure that your FS2F file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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