Microsoft Outlook RSS feed list
File type: Settings, options, themes or skins file
Files with kfl extension can be usually encountered as RSS feed lists for Microsoft Outlook.
Found 5 different file type records with the same kfl filename suffix.
File type category:
Settings, options, themes or skins file
Date updated: December 20, 2024
File extension kfl is mainly related to the Microsoft Outlook, a personal information manager, which is part of Microsoft Office, developed by Microsoft Corporation.
A .kfl file contain feed list for RSS which is shared with Microsoft Internet Explorer. If you don't share your RSS feeds, you may not find the KFL file in your Outlook.
Use Microsoft Outlook to work with .kfl files.
Conversion to other formats is not possible.
Software apps that manage or store settings in kfl files:
Microsoft Windows
Apple macOS / Mac OS X
Software applications that handle other tasks involving kfl files:
Microsoft Windows
Apple macOS / Mac OS X
File type category:
Various data file
Date updated: September 25, 2017
Record marked as obsolete and not updated for a long time.
The kfl file extension is associated with the IRIS, an older Braille keyboard devices from EUROBRAILLE.
The kfl file stores literary data from the IRIS.
IRIS is obsolete without support from developer.
File type category:
Various data file
Date updated: January 22, 2019
The kfl file extension is also used by KFlog, a suite of free OpenSource programs aimed at flight planning and flight analysis for gliders.
The kfl file contains saved airfield data.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving kfl files:
Microsoft Windows
File type category:
Settings, options, themes or skins file
Date updated: September 30, 2026
Kwalitan uses KFL files to save filters for its qualitative data analysis projects. A filter can define which data is included in a particular analysis or view.
The format is specific to Kwalitan on Microsoft Windows and is not intended as a general-purpose data-exchange format. KFL files should therefore be kept with the Kwalitan data and project files that use them.
Open a KFL file with Kwalitan on Microsoft Windows. In most cases, open the file from within Kwalitan.
KFL files do not have a useful standalone conversion format. To reuse a filter, open it in Kwalitan and save or recreate it in the form supported by the required Kwalitan project.
Software applications that handle other tasks involving kfl files:
Microsoft Windows
File type category:
Various data file
Date updated: October 2, 2026
Pegasus Mail is an email client and email service developed by David Harris for Microsoft Windows. Earlier versions also ran on MS-DOS. The program uses KFL files to store data for its auto-reply feature.
A KFL file is a supporting data file for Pegasus Mail rather than a document intended for exchange between applications. It is normally managed by the email client in its own data folders.
Open the KFL file with Pegasus Mail on Microsoft Windows. In normal use, Pegasus Mail reads the file automatically when it needs the associated auto-reply data.
There may be no meaningful standalone view of the file. Do not edit or rename it manually, because doing so could prevent Pegasus Mail from using the stored data correctly.
There is no standard conversion for the Pegasus Mail KFL format. It is an internal auto-reply data file, not a document format with a useful export to another file type.
When moving the data, use Pegasus Mail's own backup or migration procedures rather than attempting to convert the KFL file.
Software applications that handle other tasks involving kfl files:
Microsoft Windows
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