There are 7 other file types using
the TOP file extension!

empty - IBM Netfinity server Rack Configurator data

empty - Evernote handwritten notes and sketches

empty - QuickVerse data

empty - Topocad drawing

empty - Waltop Digital Ink-pad graphic file

empty - ZEMAX tolerance settings

empty - e-Sword 8.x topic note

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TOP file extension - NetSim topology diagram

What is top file? How to open top files?

File type specification:

Various data file type icon Various data file type

The top file extension is used by NetSim, a Cisco network simulator, router simulator and switch simulator for Microsoft Windows developed by Boson.

The top file contains topology diagram created by NetSim.

The default software associated to open top file:

Boson NetSim picture or screenshot

Boson NetSim  Microsoft Windows software

Company or developer:
Boson Holdings, LLC.

Boson NetSim software is an application that simulates Cisco Systems' networking hardware and software and is designed to aid the user in learning the Cisco IOS command structure.

Help how to open:

Use NetSim to open *.top topology diagram.

How to convert:

Probably can be exported to other formats.

List of software applications associated to the .top file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open top file, edit top file, convert top file, view top file, play top file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting top files.

Software that open top file - NetSim topology diagram

Programs supporting the exension top on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Boson NetSim for open top file action.

Microsoft Windows:

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