.DECRYPT File Extension
Decrypted Microsoft ESD File
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What is a DECRYPT file?
File used by Microsoft's Electronic Software Download (ESD) technology, a software product that helps users install and upgrade purchased software online through the Microsoft store; used as a temporary file during the software installation process.
When upgrading to Microsoft Windows 8 using the Windows 8 Upgrade Assistant, you can find the DECRYPT file in the following directory:
Common DECRYPT Filenames
WinPayload.esd.decrypt - A temporary decrypted version of the WinPayload.esd file used for upgrading Windows on the local computer.