Offline Explorer file
File type: Various data file
The .oetpl file extension identifies a data file used by Offline Explorer, a Microsoft Windows application for downloading and browsing websites offline.
The file contains data that Offline Explorer uses while managing offline website content.
File type category:
Various data file
Date updated: October 3, 2026
Offline Explorer is a tool for Microsoft Windows that allows users to save website content on local storage for offline browsing. The .oetpl file belongs to this application and stores Offline Explorer data.
The format is proprietary application data rather than a general-purpose document or website format. Its contents are intended to be read and managed by Offline Explorer as part of the application's offline browsing and download workflow.
Open an .oetpl file with Offline Explorer on Microsoft Windows. Start Offline Explorer and use the application's file-opening or project-management functions to load the file.
The file is not intended to be opened as a text document or in a web browser.
Offline Explorer data is intended to remain in its original form for use with Offline Explorer rather than be converted with a general-purpose file converter.
If the goal is to obtain website content rather than the application data, use Offline Explorer's own download or export features where available.
Software applications that handle other tasks involving oetpl files:
Microsoft Windows
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