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Why Microsoft Access Changes File Modified Date When Opened

Maira Mehtab Oct 12, 2026 868 views

Question details

Understanding why Microsoft Access updates the file timestamp upon opening and finding ways to prevent the file modified date from changing.

Why Does Microsoft Access Change the File Date When Opened?

Product: Microsoft Access
Device & OS: not provided
Scenario: Opening an Access database file to browse records without making any intentional edits or modifications.
Observed behavior: The file's modified date updates immediately upon opening because the database performs internal housekeeping and checks during startup.

Before you start

Before opening a sensitive database file, determine if preserving the exact original timestamp is legally or operationally required for auditing purposes.

Solution 1Recommended

Open the Database in Read-Only Mode

Opening the file as read-only prevents Access from writing internal background data to the file, preserving the original timestamp.

Because Microsoft Access is a multi-user database rather than a simple document file, it inherently updates lock files and performs system checks the moment it connects to the database.

Using the built-in Read-Only function restricts these write actions entirely.

Launch Microsoft Access

Open the Microsoft Access application from your Windows Start menu without opening the file directly.

Navigate to the Open menu

Click on 'File' in the top-left corner, then select 'Open' and click on 'Browse' to locate your database file.

Select Read-Only

Click once on your database file to select it. Instead of clicking the main 'Open' button, click the small dropdown arrow next to it and select 'Open Read-Only'.

Timestamp Preserved: As long as the database is opened in this mode, the modified date in File Explorer will not change.

Solution 2

Make a Copy Before Browsing

Creating a duplicate ensures the original file remains entirely untouched while allowing you to safely browse the data.

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Frequently Asked Questions

Does Excel or Word change the modified date just by opening the file?

No, unlike Access, Microsoft Excel and Word are standard document editors. They only update the modified date when you actively save changes to the document.

Can I disable the internal housekeeping in Microsoft Access?

No, this behavior is by design. Access is a dynamic multi-user database system. Background processes like managing record locks and updating system tables run automatically upon connection and cannot be disabled.

How can I view the exact original creation date of the database file?

You can view the original creation date by right-clicking the file in Windows File Explorer, selecting 'Properties', and checking the 'Created' field, which does not alter when the file is opened.

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