File Extension WTK

.WTK File

File extension: WTK
File type: OTDR Fiber Optics Analysis Trace


Notes about the WTK 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 WTK file type is primarily associated with 'OTDR Fiber Optics Analysis Trace' by JDS Uniphase Corporation. OTDR = Optical Time Domain Reflectometer. OTDR instruments are one of the standard instruments for texting of optical networks. This extension is one of the extensions used to name the files generated by the equipment originally manufactured by Wavetek Wandel Golterman (MTS family of OTDRs), which later sold its fiber optics business to Acterna. Acterna itself, was acquired by JDSU.

Detailed information for file extension WTK:


Primary association: OTDR Fiber Optics Analysis Trace
Company: JDS Uniphase Corporation

Other applications associated with file type WTK:

  • WinTalk (URL Address)Address of person to talk to. The Mime types used with this association are: application/x-wintalk.



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.

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