SR2 file format description

Many people share .sr2 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .sr2 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .sr2 files.

3 filename extension(s) found in our database.

.sr2 - SIR Schema Textual Specs Data

The SR2 data files are related to SIR. The SR2 file is a SIR Schema Textual Specs Data. SIR is a Database Management and Application Development tool.

Data files
- / -
SIR Schema Textual Specs Data related extensions:
SIR Schema Rectype and Variable Specs Data
SIR Index and Data
SIR Procedure Definitions Data
SIR Database Journal Data
SIR Alternate Index

.sr2 - CX-Supervisor Saved Runtime Data

The SR2 data files are related to CX-Supervisor. The SR2 file is a CX-Supervisor Saved Runtime Data. CX-Supervisor is a wizard based HMI and Data Acquisition package manufactured by Omron.

Data files
- / -
CX-Supervisor Saved Runtime Data related extensions:
CX-Supervisor Keyboard Layout Data
CX-Supervisor Library Data
CX-Supervisor Page Data
CX-Supervisor Project
CX-Supervisor DDE Server Array Project
CX-Supervisor User Defined Text Data

.srf - Sony RAW Image

The SRF graphic files are related to Microsoft RAW Image Thumbnailer and Viewer. The SRF file is a Sony RAW Image. A raw image file contains minimally processed data from the image sensor of a Sony digital camera.

Microsoft RAW Image Thumbnailer and Viewer
Graphic files
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arw, sr2
Sony RAW Image related extensions:
Gephard Hires Graphics Bitmap Image
VR Photo Image
Commodore Amiga AMOS Bitmap
MacPaint Image
Male MRI Image
Raw Image Data

Naturally, other applications may also use the .sr2 file extension. Even harmful programs can create .sr2 files. Be especially cautious with .sr2 files coming from an unknown source!

Can't open a .sr2 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .sr2 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cr2, qr2, rs2, s2, s2r, sd2, sf2, sg2, sr, sre, srq, srw, srz, st2, xr2

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Delphi Database Quick Report
SPICE Status Data
Windows CE Embedded Rom Image
Xrecode II Registration Data
Sybase PowerBuilder Query Object
Sun Raster Image

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .sr2 file format, then write to us! >> SR2 file