What's the CIL File?

By:   |   Revised: November 26, 2018

Microsoft Silver

CIL File Summary

Seven known software programs (notably, Microsoft Notepad developed by Microsoft Corporation) are related to the CIL file extension. In addition, they are categorized under two distinct file types, but mainly identified as the Norton CleanSweep Installation Log File format. The majority of CIL files are considered Data Files, but they can also be Vector Image Files.

CIL files are found on both mobile and desktop platforms and can be opened using Windows, Mac, and Linux operating systems. CIL files have a "Low" Popularity Rating; this means that they are not present on most devices.

Although there is a lot more to know about CIL files, those are the most important details of these types of files. If you are having trouble opening these files, or would like more detailed information, please see our comprehensive information below.

Low
Demand
4368
File Rank

/ 11690

Active

Importance

26

November

2018

Page Last Updated

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CIL Types

  2 known file types use this extension

Principal CIL Type

.CIL
File Ext:.cil
File Type:Norton CleanSweep Installation Log File

This extension file is related to the Norton CleanSweep. The file acts as a storage for installation log.

Developer: Symantec Corporation
File Category:Data Files
Subkey: HKEY_CLASSES_ROOT\.cil

Software Programs That Open The Norton CleanSweep Installation Log File:


Microsoft Notepad by Microsoft Corporation

Windows
Mac
Linux

Notepad++ by Don Ho

Windows
Mac
Linux

MacroMates TextMate by MacroMates

Mac

Apple TextEdit by Apple

Mac

Sublime Text by Sublime HQ Pty Ltd

Windows
Mac
Linux

Norton Cleansweep by Symantec Corporation

Windows

Alternative CIL Types

.CIL
File Ext:.cil
File Type:Clip Gallery Packaged File

A compressed clip art format associated with Microsoft Clip Gallery. It contains .WMF files together with other images stored in a compressed package. It as well includes metadata such as the keywords.

Developer: Microsoft Corporation
File Category:Vector Image Files

Software Programs That Open Clip Gallery Packaged File Files:


Microsoft Clip Gallery by Microsoft Corporation

Compatible with:

Windows
Mac

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CIL File Popularity


Most Popular Operating Systems

Windows 7 (48%)
Windows 10 (42%)
Windows 8.1 (5%)
Windows XP (2%)

Top Browsers

Chrome (58.80%)
Firefox (11.05%)
Internet Explorer (9.04%)
Edge (8.46%)
Safari (3.87%)


CIL File Complications


Common CIL Opening Problems

Microsoft Notepad Disappeared

When you double-click your CIL file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". Customarily, this means that Microsoft Notepad is not installed on %%os%%. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you know of another program that can open your CIL file, you can try opening it by selecting the application from the programs listed.


Wrong Version of Microsoft Notepad is Installed

In other instances, your Norton CleanSweep Installation Log File file version may not be supported by your version of Microsoft Notepad. If you do not have the proper version Microsoft Notepad (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. Most of the time your Norton CleanSweep Installation Log File file was created by a newer Microsoft Notepad than what you have installed.


Tip: Right-clicking on your CIL, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.


Regardless, most of the CIL file opening problems relate to not having the right version of Microsoft Notepad installed.


Additional CIL Opening Issues

Errors opening Norton CleanSweep Installation Log File files can still occur even with the latest Microsoft Notepad software installed on your computer. If you are continuing to have errors with loading CIL files, other external issues might be to blame. These issues include:

  • Invalid CIL file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Unintentional removal of the description of the CIL file inside the Windows Registry
  • Invalid installation of a CIL-associated program (eg. Microsoft Notepad)
  • Something has caused file corruption of your CIL
  • Malware-tainted CIL file can't be opened
  • Device drivers of the hardware associated with your CIL file are corrupt or out-of-date
  • Insufficient system resources to successfully open Norton CleanSweep Installation Log File files

Quiz: Which file extension is an archive file?








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