The file is a type library for the Microsoft DAO 2.5/3.5 Compatibility Library . It was primarily used for backward compatibility to allow older databases (like those from Access 2.0 or 95) to run in Access 97 without major code updates.

Since modern versions of Windows and Office no longer ship with this ancient compatibility file, databases migrated to Windows 10 often trigger the error: "Your Microsoft Access database or project contains a missing or broken reference to the file 'dao2535.tlb' version 3.5" . How to Fix the "Missing or Broken Reference" Error

To address errors related to on Windows 10 , you typically do not need to download a new file. Instead, the solution involves unchecking the broken reference in your application (usually Microsoft Access) and updating it to a modern version like the Microsoft DAO 3.6 Object Library . What is dao2535.tlb?

Instead of searching for a download—which can be risky or lead to incompatible files—follow these steps to update your database reference: Microsoft Learnhttps://learn.microsoft.com Microsoft Access issue between newer and older versions