Microsoft Access vs. Power Apps

Microsoft Access has been used for many years to create databases and internal business applications. With the evolution of Microsoft Power Platform, many organizations are now wondering whether they should keep using Access or migrate to Power Apps.

There is no one-size-fits-all answer. Access remains relevant for certain use cases, while Power Apps is better suited to mobility, collaboration and process modernization. In some cases, the two solutions can even be used together.

Microsoft Access and Power Apps: What Are the Differences?

Microsoft Access is primarily a desktop solution for creating and managing databases, forms, queries, reports and business logic. Access is currently available on PC only. Microsoft also continues to develop the product, including Access 2024 and the versions available through Microsoft 365.

Microsoft Power Apps, on the other hand, is a low-code platform designed to create business applications. It can be used to develop applications that are accessible from a browser, phone or tablet and connect them to various data sources such as SharePoint, SQL Server or Microsoft Dataverse.

Microsoft Access: When Should You Use It?

Microsoft Access remains relevant when an application is working well and addresses a relatively stable business need. It can be particularly well suited to a small team working primarily on Windows computers and using complex Access forms, queries or reports.

Access can also remain a good option when an organization already has an application with a significant amount of VBA, macros or custom business logic. Migrating simply because a solution has been around for a long time is not necessarily cost-effective.

Should You Replace Access With Power Apps?

Not necessarily. The decision should primarily depend on the organization’s current and future needs.

A migration may become particularly relevant when Access limitations begin to slow down operations, such as difficulty providing remote access, the need to use the application on mobile devices, a growing number of users or a desire to connect the application more closely with the Microsoft ecosystem.

When Should You Keep Access?

It may make sense to keep Access when:

• The application still meets your needs effectively;

• Users work primarily on PCs;

• The number of users remains limited;

• The application relies heavily on forms, reports, queries or VBA;

• There is no significant need for mobility or cloud-based collaboration;

• The cost and effort required for migration would provide little additional value.

In this situation, gradually modernizing certain components may be more appropriate than replacing the entire application.

When Should You Migrate to Power Apps?

Power Apps becomes particularly relevant when an organization wants to modernize its processes and make its applications available to more users and devices.

A migration may be worth considering if you want to:

• Use the application on a phone or tablet;

• Make it easier for employees to work in the field;

• Centralize data in Dataverse;

• Automate certain processes with Power Automate;

• Better manage access rights;

• Integrate the application with Microsoft 365 or other systems;

• Replace multiple files and manual processes with a shared application;

• Make it easier for the solution to evolve as organizational needs change.

Power Apps applications can be used through a browser or on mobile devices, and Microsoft continues to improve their mobile and offline capabilities.

When Should You Consider a Hybrid Approach?

You do not always have to choose immediately between Access and Power Apps.

A hybrid approach can make it possible to modernize your environment gradually. Microsoft allows Access tables to be migrated to Dataverse while continuing to use the existing Access application, including its forms, reports, queries and macros, through linked tables.

An organization could therefore keep Access for certain administrative users while developing a Power Apps application for field employees or new processes.

This approach can reduce risk and avoid having to complete the entire migration in a single step.

H2 How Do You Migrate Access to Power Apps?

Migrating Access to Power Apps is not simply a matter of transferring files. You first need to understand how the existing application works and identify which elements should be retained, transformed or rebuilt.

A migration will generally involve the following steps:

1. Analyze the existing Access application, including tables, relationships, forms, reports, queries, macros and VBA code.

2. Identify the processes and features that are still genuinely needed to avoid recreating obsolete elements.

3. Determine the appropriate data architecture, for example by migrating certain tables to Microsoft Dataverse.

4. Migrate and validate the data before rebuilding the required interfaces.

5. Create the Power Apps application based on the needs of the different users.

6. Add the required automations with Power Automate and, where appropriate, reporting tools with Power BI.

7. Test the solution with users and then roll it out gradually.

Microsoft provides tools for migrating Access data to Dataverse and then creating Power Platform solutions using that data.

Get Support to Modernize an Access Application

Are you still using an Access application and wondering whether it should evolve?

Our Power Apps consultants can analyze your Access environment, identify what should be retained or modernized, and help you design a solution suited to your organization. Depending on your needs, the best approach may involve a complete migration, a gradual transition or a hybrid architecture combining several Microsoft tools.

Contact our experts to discuss your environment and explore the possibilities offered by Power Apps.