File Extension Home / All Extensions / File Extension CAP

What is the CAP File Extension?

Author:   |   Refreshed: November 26, 2018

Microsoft Silver

CAP File Summary

File Extension CAP has nine unique file types (with the primary being the Network Monitor Packet Capture Data File format) and is mostly associated with Microsoft Network Monitor (Microsoft Corporation) and ten other software programs. These files can be categorized as Data Files, Audio Files, or Developer Files. In the majority of cases, these files will be Data Files.

File Extension CAP files have been identified on both desktop and mobile devices. They are fully or partially supported by Windows, Mac, and Linux. The CAP File Extension carries a Popularity Rating of "Low", meaning that these files are scarcely found in most user's file stores.

If you are having problems opening CAP files, or would simply like to learn more about the software programs and developers that are associated with them, please see the complete information contained below.

Low
Universality
193
Ranking

/ 11690

Active

Status

26

November

2018

Revised

FileViewPro Opens CAP Files

Product by Solvusoft

Free Download

Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall

Types of CAP Files

  9 known file types use this extension

Primary CAP File Association

.CAP
File ID:.cap
Category:Network Monitor Packet Capture Data File

CAP is a file extension related to Network Monitor program found as a part of some versions of Microsoft Windows operating system (2000, XP and Vista). It could be found in Control Panel. The CAP file contains packets that have primary data taken over a data transmission. This is like a trace file or bone file and is used by multiple packet sniffer applications.

Company: Microsoft Corporation
Function:Data Files
Location: HKEY_CLASSES_ROOT\.cap

Software Programs That Open The Network Monitor Packet Capture Data File:


Microsoft Network Monitor by Microsoft Corporation

Windows

Wireshark by The Wireshark Team

Windows
Mac
Linux

Alternative CAP Types

.CAP
File ID:.cap
Category:ProComm/Telix Session Capture File
.CAP
File ID:.cap
Category:CaptionMaker Caption File
.CAP
File ID:.cap
Category:Capella Music Sheet Data File
.CAP
File ID:.cap
Category:Code Architect Project File
.CAP
File ID:.cap
Category:Snoop Capture File
.CAP
File ID:.cap
Category:Construct Game Development File
.CAP
File ID:.cap
Category:Java Card Converted Applet
.CAP
File ID:.cap
Category:Phase One RAW Image

Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall

Search Files


CAP Demand


OS Hierarchy

7108.1XP8Windows 7: 46%Windows 10: 45%Windows 8.1: 5%Windows XP: 3%Windows 8: 1%
7 (45.73%)
10 (44.56%)
8.1 (5.41%)
XP (2.79%)
8 (0.97%)

Browser Popularity

ChromeFirefoxInternet ExplorerEdgeSafariChrome: 64%Firefox: 12%Internet Explorer: 10%Edge: 9%Safari: 4%
Chrome (58.80%)
Firefox (11.05%)
Internet Explorer (9.04%)
Edge (8.46%)
Safari (3.87%)


Troubleshooting Problems Opening CAP Files


Common CAP Opening Problems

Microsoft Network Monitor Disappeared

When trying to open your CAP file, you get the error "Can't Open CAP File Type". When this happens, it is commonly due to Microsoft Network Monitor missing in - . The OS won't know what to do with your CAP file, so double-clicking to load the file doesn't work.


Tip: If you have another software that you know opens CAP files, you can select it by hitting the "Show Apps" button.


Microsoft Network Monitor is Out-of-Date

In some cases, you might have a newer (or older) version of a Network Monitor Packet Capture Data File file that is unsupported by your installed application version. If you do not have the proper version Microsoft Network Monitor (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is predominately due to having a Network Monitor Packet Capture Data File file version that was created by a newer version of Microsoft Network Monitor than what you have installed on your PC.


Tip: If you right-click on your CAP file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.


Conclusion: The majority of CAP file opening issues are due to not having the correct Microsoft Network Monitor version installed.


Associated Difficulties Loading CAP Files

You can still experience errors opening CAP files even with the latest version of Microsoft Network Monitor installed on your PC. There can be external issues inside of - that are causing these errors when opening CAPs. Problems unrelated to software:

  • Corrupt Windows Registry file path references for CAP
  • Mistaken removal of the Windows registry CAP description
  • Incomplete or bad installation of a software application associated with the CAP format
  • Your CAP can't be loaded properly (file corruption)
  • Your CAP is infected with malware
  • Hardware associated with CAP has outdated drivers
  • Insufficient system resources to successfully open Network Monitor Packet Capture Data File files

Quiz: Which of the following is not a MIME type?








Poll: What operating system do you use the most?









How to Fix Problems Opening CAP Files

Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall


File Extensions   # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Privacy Policy Terms of Service EULA Site Map

© Solvusoft Corporation 2011-2023. All Rights Reserved.