Opening a VMDF File

The VMDF file type is primarily associated with MyWinLocker Yo-Safe.

VMDF	File extension: VMDF
	File type:	Encrypted Virtual Drive File

What is a VMDF file?

VMDF files mostly belong to MyWinLocker Yo-Safe by EgisTec, Inc. VMDF is a virtual drive used by the MyWinLocker Yo-Safe applications used to encrypt/decrypt files and is preinstalled on Acer machines. The Yo-Safe is an encryped virtual drive.

How to open VMDF files

You need a suitable software like MyWinLocker Yo-Safe to open a VMDF file. You need a suitable software like MyWinLocker Yo-Safe from EgisTec, Inc. to open a VMDF file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your VMDF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a VMDF file directly in the browser:. Just drag the file onto this browser window and drop it.

Online VMDF Text Viewer

Choose your .vmdf file to analyze

or drag and drop it here

Online File Viewer

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.VMDF File Not Opening? How to Fix It:

VMDF files can originate from different programs and aren't universally openable.

Identify the Source: If found on an older Acer laptop or a personal security backup, it is likely an Encrypted Virtual Drive File created by MyWinLocker Yo-Safe.
Check the Header: Open the file in a hex viewer to inspect its first bytes:
- Random, unreadable binary data usually implies strong encryption.
- "PK" or "Rar!" indicates a renamed standard archive.
Use the Original Software: The original program is usually required; try EgisTec MyWinLocker, Yo-Safe, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for VMDF File Extension

File classification:

How to solve problems with VMDF files

Associate the VMDF file extension with the correct application.
Update your software that should actually open encrypted virtual drive files. Because only the current version supports the latest VMDF file format. Search, therefore, e.g. on the EgisTec, Inc. manufacturer website after an available MyWinLocker Yo-Safe update.
To make sure that your VMDF file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .VMDF file online - secure, fast, and no downloads needed.