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ACCDE MDE
Not possible

Convert ACCDE to MDE

Can you convert ACCDE to MDE?
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Is it possible to convert ACCDE to MDE?
No - not a direct conversion.

MDE is the legacy equivalent for .mdb databases. You cannot convert ACCDE to MDE; they serve the same purpose for different engine generations. The ACCDE is already the "locked" version - no further step applies.

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Last verified Oct 2026

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Converting ACCDE to MDE

A .ACCDE file and a .MDE file hold different kinds of data, so there is no direct way to turn one into the other.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

About these formats

.ACCDE Microsoft Access Compiled Execute-Only Database

An ACCDE file is a compiled, execute-only version of a Microsoft Access database (.accdb) - all VBA source code has been permanently removed and design view is disabled. Open it with…

Open .ACCDE details →
.MDE Microsoft Access Compiled (MDE) Database

An MDE file is a compiled, locked version of a Microsoft Access database (.mdb). You open and run it with Microsoft Access or the free Access Runtime on Windows, but you cannot edit its…

Open .MDE details →