Access

Why Your Access Database Stopped Working After Windows 11

The complete guide to what broke, why it broke, and how to fix it. Covers Jet 4.0 provider removal, ActiveX controls, and VBA compatibility.

VBA

VBA "PtrSafe" Error After Windows Update — How to Fix It

64-bit Office requires the PtrSafe keyword on all Win32 API declarations. Here's how to find and fix every instance in your workbook.

Access

How to Convert .mdb to .accdb: Complete Guide (2026)

Step-by-step guide to migrating your Access 97-2003 database to the modern .accdb format, including VBA fixes and linked table updates.

Excel

Excel Macro Stopped Working After Windows Update — Here's Why

Windows updates can break Excel macros in multiple ways: deprecated APIs, missing references, ActiveX controls, and 64-bit incompatibilities. Fix them all.

SQL Server

Should You Migrate Your Access Database to SQL Server?

When Access isn't enough anymore. A practical guide to deciding if SQL Server migration is right for your business, and what the process looks like.

Excel

How to Fix .xlsm Macro Errors on Windows 11

Getting macro errors when opening .xlsm files on Windows 11? Covers blocked macros, missing references, PtrSafe declarations, deprecated APIs, and ActiveX issues.

Error Fix

Fix "Error 3343: Unrecognized Database Format" in Access

This error usually means your .mdb file can't be opened by newer Access versions. Here's exactly what causes it and three ways to fix it.

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