Opening IIL Files

The IIL file type is primarily associated with Norton CleanSweep.

IIL	File extension: IIL
	File type:	Installation Log

What is an IIL file

IIL files mostly belong to Norton CleanSweep by Symantec Corporation. Typically reside in the folder C:\Program Files\Norton CleanSweep\. In CleanSweep 4.1 and earlier, the folder referred to as Norton CleanSweep was named simply CleanSweep.

How do you open IIL files?

You need a suitable software like Norton CleanSweep to open an IIL file. You need a suitable software like Norton CleanSweep from Symantec Corporation to open an IIL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your IIL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a IIL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online IIL Text Viewer

Choose your .iil file to analyze

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Can't Open Your .IIL File? Try These Steps

IIL files can come from different programs and aren't universally openable.

Identify the Source: These files often originate from legacy system maintenance or software uninstallation workflows, which strongly suggests they are Norton CleanSweep Installation Logs.
Check the Header: Inspect the first few bytes in a text editor or hex viewer.
- Readable text with file paths or registry keys indicates a standard installation log.
- "PK" or similar magic bytes suggest a compressed archive.
- XML or JSON formatting implies structured data.
Use the Original Software: The original program is usually required to properly read the file. Try Symantec Corporation's Norton CleanSweep, a standard text editor like Notepad, or ask the sender if you remain uncertain.
Use this Webpage: Drag and drop your .IIL file into our viewer above to detect its format, extract readable text, and preview its contents.

Technical Data for IIL File Extension

Related files:

dtf, pfw, skr

an iil Installation Log is a special file format by Symantec Corporation and should only be edited and saved with the appropriate software.

How to solve problems with IIL files

Associate the IIL file extension with the correct application.
Update your software that should actually open installation logs. Because only the current version supports the latest IIL file format. Search, therefore, e.g. on the Symantec Corporation manufacturer website after an available Norton CleanSweep update.
To make sure that your IIL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .IIL file online - secure, fast, and no downloads needed.