SharePoint is one of the most widely used data sources for Canvas Apps. Also itβs included with the Office 365 license. While it works well for simple apps, developers often run into challenges when building larger or more complex solutions. Here are some key limitations:
Not a true database β SharePoint lists were never designed to act like a relational database. Features such as relationship handling and transactional consistency (ACID principles) are missing. For example, if two users update the same record at once, the first update usually wins and the second update will fail.
Missing basic functions β Common operators (Not(), In) and certain query features arenβt supported. This forces extra workarounds and sometimes complex formulas.
Performance issues β CRUD (Create, Read, Update, Delete) operations are slower compared to standard databases. This is because SharePoint sends unnecessary metadata to Canvas apps which slows down performance.
Β Connectivity restrictions β Power Apps doesnβt expose the full SharePoint REST API. This means advanced queries and actions are limited compared to whatβs technically possible.
Β List view threshold (5000 items) β If your list grows beyond 5000 items, queries may break or return incorrect data unless you use indexing and optimize your queries carefully.
Β ALM (Application Lifecycle Management) challenges β SharePoint lists donβt integrate smoothly with solutions or Dev-Test-Prod environments. When you Move apps across environments then it often requires manual setup.
Β Complex delegation rules β Many SharePoint functions arenβt delegable in Power Apps, so only the first 2000 rows can be retrieved by default. This makes working with large datasets tricky.
Β Permission complexity β SharePoint has a flexible but sometimes confusing permission model. Integrating row-level security in Power Apps using SharePoint permissions can be error-prone.
Β Offline capability is weak β Unlike Dataverse, SharePoint is not built for robust offline scenarios. Caching and sync require a lot of manual setup.
π For lightweight apps, SharePoint is fine. For enterprise-grade apps, Data verse is usually the better option.


