An osf file extension is related to the Opera web browser. An osf file stores skin used to customize Opera look.

There are 4 other file types using
the OSF file extension!

empty icon.osf - Descent 3 sound data

empty icon.osf - ICZ OriSAFE data

empty icon.osf - Virtual Ticket data

empty icon.osf - Orbit strabo project file

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OSF file extension - Opera skin

What is osf file? How to open osf files?

The osf file extension is associated with the Opera internet browsing suite for Windows, Apple Mac and Linux.

The osf file contains ZIP archive with *.ini file and graphic files used by Opera for skin settings.

The default software associated to open osf file:

Opera browser icon

Opera Software ASA logoOpera browser  Microsoft Windows software

Company or developer:
Opera Software ASA

Opera is Internet web browser and Internet suite. Opera supports many features as tabbed browsing, page zooming, mouse gestures, downloading via BitTorrent protocol, malware protection, e-mail client etc.. Opera runs on many desktop operating systems such as Microsoft Windows, Linux and Mac OS X. Some editions of Opera are available for mobile phones and tablet PCs. Opera is currently the fourth most widely used web browser for computers.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .osf 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 osf file, edit osf file, convert osf file, view osf file, play osf file etc. (if exist software for corresponding action in's database).

Settings file type for software that use osf file - Opera skin

Programs supporting the exension osf on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for settings osf file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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