Files with sil file extension can mostly be found as logs generated using the SmartInspect software.
There is one other file type using
the SIL file extension!
.sil - Silhouette Designer drawing
Detailed description
Software that open sil file
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What is sil file? How to open sil files?
The sil file extension is mainly related to SmartInspect, a software and used for one of its default log files.
SmartInspect is an advanced software for .NET logging and tracing, available for Microsoft Windows.
The default software associated to open sil file:

SmartInspect 
Company or developer:
Gurock Software
SmartInspect is an advanced .NET logging, Java logging and Delphi logging tool for debugging and monitoring software applications.
Help how to open:
This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.
How to convert:
As far as we know, this .sil file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.
List of software applications associated to the .sil 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 sil file, edit sil file, convert sil file, view sil file, play sil file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
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 sil files.
Programs that can create sil file - SmartInspect log
Programs supporting the exension sil on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about SmartInspect for create sil file action.
Unspecified and all other actions for computer programs working with sil file - SmartInspect log
Click on the software link for more information about SmartInspect. SmartInspect uses sil file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
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