>> OTDR file

OTDR file format description

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

1 filename extension(s) found in our database.

.otdr - Yokogawa OTDR Data

The OTDR data files are related to Yokogawa OTDR Viewer. The OTDR file is a Yokogawa OTDR Data. The Optical Time Domain Reflectometer (OTDR) is useful for testing the integrity of fiber optic cables.

Yokogawa OTDR Viewer
Data files
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Yokogawa OTDR Data related extensions:
Navicat for SQLite Export View Result Profile
Gwyddion Surface Data
Atari Jaguar Text Segment Data
Top Secret Crypto Gold One Time Pad Key
Clear Creek Solutions Project Data
Adobe Glyphlet Development Kit Glyphlet

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

Can't open a .otdr 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 .otdr file extension is often given incorrectly!

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

odr, otd, otr, tdr

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Over the Reich Saved Game
TINA Diagram Results
OpenIV Model Data
Keysight PLTS TDR Calibration Data
Ontrack Verifile Data Report
Physical Layer Test System Calibration Data

Operating systems currently supports the following operating systems:

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

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