The USL file extension is related to the PC-Bibliothek user dictionary files.

There are 2 other file types using
the USL file extension!

empty icon.usl - LaserJet landscape font

empty icon.usl - ProWORX Nxt USL loadable file

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USL file extension - PC-Bibliothek user dictionary

What is usl file? How to open usl files?

File type specification:

Various data file type icon Various data file type

The USL file extension is associated with the PC-Bibliothek a software for Microsoft Windows operating system developed by the Bibliographisches Institut GmbH. The .usl file stores user dictionary used by PC-Bibliothek.

Help how to open USL files:

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 file with extension USL:

As far as we know, this .usl 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.

Related links:

PC-Bibliothek website

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