What is the YOS file format?
A file with the .YOS extension is a file known as HP Photosmart Essential Thumbnail Cache. It belongs to the Misc Files category. This format is associated with Hewlett-Packard Company.
The reliable way to open a .YOS file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .YOS files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
in a nutshellFULL NAMEHP Photosmart Essential Thumbnail Cache
DEVELOPERHewlett-Packard Company
CATEGORYMisc Files
Community Q&A
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