Continuing my series of posts on Power BI Copilot and the type of things you should be including in AI Instructions, today I ...

As you probably know, I work on the Fabric Customer Advisory Team at Microsoft. Apart from advising customers a lot of our team’s time is spent collecting feedback about Fabric and sending it back to ...

As you probably know, I work on the Fabric Customer Advisory Team at Microsoft. Apart from advising customers a lot of our team’s time is spent collecting feedback about Fabric and sending it back to ...

Continuing my series of posts on Power BI Copilot and the type of things you should be including in AI Instructions, today I want to talk about helping the end user understand the scope of the data: ...

One of the most common errors you'll see when working with Power Query in Power BI or Excel is this: Expression.Error: The key didn't match any rows in the table It can occur with almost any data ...

There are a lot of articles and blog posts out there on how to handle OAuth2 authentication when connecting to REST APIs from Power Query in Power BI. However there is also a lot of confusion and ...

Here’s a recording of a session I did for the Manchester (UK) Power BI user group recently on best practices for DirectQuery mode in Power BI: I’ve done it for a few other groups over the last six ...

In the last two posts in this series I showed how removing columns from the tables used in a Power Query merge operation can improve refresh performance. In this post I'll show you a different trick ...

You probably know that semantic models in Power BI can use a fixed amount of memory. This is true of all types of semantic model – Import, Direct Lake and DirectQuery – but it’s not something you ...

If you're working with large amounts of data in Power BI you may find that you have problems because: Your pbix file is very large You spend a long time waiting for refreshes to finish in Power BI ...

Following on from my post the other week about the new RowsetSerializationLimit server property, I thought it would be a good idea to write about why the new IsAvailableInMDX property (announced in ...

[Update September 2023: now that Power BI is part of Microsoft Fabric, the new features of Fabric make it much easier to solve this problem as described here]. Power BI incremental refresh is a very ...