如何反编译Access数据库？执行反编译命令时提示MSACCESS.EXE未识别怎么办？

Got it, let's break down why you're hitting that error and fix it step by step:

1. Wrap the MSACCESS.EXE path in quotes #

Your path C:\Program files\Microsoft Office\root\Office16\MSACCESS.EXE has a space in "Program Files"—Command Prompt treats spaces as command separators, so it's trying to run C:\Program instead of the full EXE path. Fix this by wrapping the entire path in double quotes:
"C:\Program Files\Microsoft Office\root\Office16\MSACCESS.EXE"

2. Add your target database file to the command #

The /decompile parameter tells Access to run in decompile mode, but you haven't specified which database to decompile. You need to append the full path of your .accdb/.mdb file (also wrapped in quotes if it has spaces):
"C:\Program Files\Microsoft Office\root\Office16\MSACCESS.EXE" /decompile "C:\YourFolder\YourDatabase.accdb"

3. Verify your Office installation path #

Double-check that Office16 matches your Office version:

• Office 2016/2019/365 typically use Office16
• Office 2013 uses Office15, Office 2010 uses Office14, etc.
  If you're unsure, navigate to C:\Program Files\Microsoft Office\root in File Explorer to confirm the correct Office folder name.

Extra Tips #

• Close all instances of Microsoft Access before running the command—having the database open will cause conflicts.
• Always back up your database first! Decompile can sometimes lead to unexpected changes, so a backup is non-negotiable.
• If you still get an error, try running Command Prompt as Administrator—file permissions can sometimes block access to the Office directory.

内容的提问来源于stack exchange，提问作者Douk