Ext Decoder
Database

.accdb — Microsoft Access Database

The modern database file format used by Microsoft Access, supporting tables, queries, forms, and macros.

Commonly opened with
  • Microsoft Access
Supported platforms
  • Windows
Editable?
Yes, with common software
Viewable without special tools?
Usually, yes
Commonly converted to
  • .mdb
  • .csv
Inherent format risk
Use some caution
Safety guidance (not a guarantee)

This format can contain macros or embedded scripts that run code when enabled. Keep macros disabled unless you trust the source and specifically expect them.

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Frequently asked questions

What is a .accdb file?

The modern database file format used by Microsoft Access, supporting tables, queries, forms, and macros.

Can I edit a .accdb file?

Yes — .accdb files are commonly editable with software such as Microsoft Access.

Does having a .accdb extension mean the file is safe?

No single extension can guarantee that. This format can contain macros or embedded scripts that run code when enabled. Keep macros disabled unless you trust the source and specifically expect them. Always consider where the file came from, not just its name.

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