Chris Webb

Power BI Copilot, AI Instructions and DAX measure definitions Adding measure definitions to Copilot AI Instructions helps users understand how measures work

#PowerBI Copilot, AI Instructions and DAX measure definitions blog.crossjoin.co.uk/2025/08/10/p...

Why Power BI Copilot seems to work better in Desktop than in the Service Changes to AI Instructions are not always applied immediately after publishing

Why do #PowerBI Copilot AI Instructions seem to work better in Desktop than in the Service? blog.crossjoin.co.uk/2025/08/03/w...

Power BI Copilot, AI Instructions and visualisation guidelines Control which visuals Copilot uses in responses

#PowerBI Copilot, AI Instructions and visualisation guidelines blog.crossjoin.co.uk/2025/07/27/p...

Power BI Copilot, AI Instructions and semantic model relationships Learn how Copilot works with measures and columns on different tables

#PowerBI Copilot, AI Instructions and semantic model relationships blog.crossjoin.co.uk/2025/07/20/p...

Power BI Copilot, AI Instructions and dealing with ambiguity Make Copilot ask for clarification instead of guessing so often

#PowerBI Copilot, AI Instructions and dealing with ambiguity blog.crossjoin.co.uk/2025/07/13/p...

Power BI Copilot, AI Instructions and preventing the use of implicit measures Stop Copilot from aggregating data itself

#PowerBI Copilot, AI Instructions and preventing the use of implicit measures blog.crossjoin.co.uk/2025/07/06/p...

Data validation in Power BI Copilot AI Instructions Helping users enter valid values for filters in their prompt can improve the Copilot user experience

Data validation in #PowerBI Copilot AI Instructions blog.crossjoin.co.uk/2025/06/29/d...

Power BI Copilot AI Instructions: helping users understand the scope of the data Instruct Copilot to tell the user what data is and isn't present in a semantic model

#PowerBI Copilot AI Instructions: helping users understand the scope of the data blog.crossjoin.co.uk/2025/06/22/p...

Had an amazing time at #SQLBits as always. Many thanks to the organisers, helpers, speakers, sponsors and of course the attendees!

Join the Fabric User Research Panel! blog.crossjoin.co.uk/2025/06/17/j...

Grouping and filtering in Power BI Copilot AI Instructions Specify the columns returned in results and filters on rows

Grouping and filtering in #PowerBI Copilot AI Instructions blog.crossjoin.co.uk/2025/06/15/g...

Requiring selections on the Date dimension in Power BI Copilot AI Instructions Use AI Instructions to make sure a user always selects a date, month or year

Requiring selections on the Date dimension in #PowerBI Copilot with AI Instructions blog.crossjoin.co.uk/2025/06/08/r...

Finding reports and semantic models easily with Power BI Copilot Search The new Copilot Search feature works better than Power BI's existing search

Finding reports and semantic models easily with #PowerBI Copilot Search blog.crossjoin.co.uk/2025/06/01/f...

Generating sample data with Copilot in Fabric Dataflows Gen2 Use Copilot to generate tables of sample data

Generating sample data with Copilot in #MicrosoftFabric Dataflows Gen2 blog.crossjoin.co.uk/2025/05/25/g...

Timeseries smoothing - EXPLORATIONS IN DATA STORYTELLING WITH POWER BI Quite often when exploring data within Power BI, we might want to visualise timeseries data, only to be met with an unsightly jagged line: We might be tempted to smooth it by changing to weekly or mon...

blogged. A How-To For Power BI - ers.
#PowerBI
kerrykolosko.com/timeseries-s...

Performance implications of different ways of fully expanding a Power BI matrix visual Using "expand to next level" can improve performance

Performance implications of different ways of fully expanding a #PowerBI matrix visual blog.crossjoin.co.uk/2025/05/18/p...

Finding events linked to a specific Power BI visual in Fabric Workspace Monitoring Use ID from the "Copy Object Name" feature to filter events

Finding events linked to a specific #PowerBI visual in Fabric Workspace Monitoring blog.crossjoin.co.uk/2025/05/11/f...

Documenting Power BI semantic models with Fabric Data Agents Use Data Agents to generate documentation and understand the dependencies between DAX calculations

Documenting #PowerBI semantic models with Fabric Data Agents blog.crossjoin.co.uk/2025/05/04/d...

Power BI Copilot Deep Dive | LinkedIn Everyone is excited about AI and the impact it can have on data and analytics, and in Power BI that promise is being delivered on with Copilot. In this session you'll learn everything you need to know...

𝗖𝘂𝗿𝗶𝗼𝘂𝘀 𝗵𝗼𝘄 𝗔𝗜 𝗶𝘀 𝘁𝗿𝗮𝗻𝘀𝗳𝗼𝗿𝗺𝗶𝗻𝗴 𝗣𝗼𝘄𝗲𝗿 𝗕𝗜?
Join us for a Power BI Copilot Deep Dive session where we explore how AI is reshaping data and analytics inside Power BI.

Speaker: @cwebbbi.bsky.social

Link: lnkd.in/gbXWfT2p

Semantic Model Refresh in Fabric: Beyond the Defaults Optimise Power BI semantic models with advanced refresh options in Fabric, utilising data pipelines and semantic link for enhanced control and efficiency.

I wrote a blog about semantic model refresh options in #Fabric #powerbi, please read and share! www.advancinganalytics.co.uk/blog/semanti...

Two new Power BI/Power Query books Book reviews for "Power Query beyong the user interface" and "Architecting Power BI Solutions in Fabric"

Two new #PowerBI / #PowerQuery books blog.crossjoin.co.uk/2025/04/27/t...

Fabric Data Agents: Unlicking the full power of DAX for data analysis Data Agents let analysts solve complex problems more quickly

Fabric Data Agents: Unlocking the full power of DAX for data analysis blog.crossjoin.co.uk/2025/04/06/f...

Using #Excel Copilot to import data with #PowerQuery blog.crossjoin.co.uk/2025/03/30/u...

Speed up dataflow publishing/validation times in #PowerBI and #MicrosoftFabric How to get your dataflows to publish or validate immediately

Speed up dataflow publishing/validation times in #PowerBI and #MicrosoftFabric blog.crossjoin.co.uk/2025/03/23/s...

Using Excel Solver with Power Pivot How to slice data with Solver

Using #Excel Solver with #PowerPivot blog.crossjoin.co.uk/2025/03/16/u...

Disable Power Query background refresh - Power BI Guidance on when to disable Power Query background refresh.

Have you disabled background refresh (learn.microsoft.com/en-us/power-...) and increased the amount of RAM each evaluation can use (learn.microsoft.com/en-us/power-...) ? These settings can make a huge difference to performance.

I always comment if I feel like I have something to add. Indeed I replied to a thread only this morning!

I do that all the time :-)

Posting my blog posts on reddit feels wrong to me, tbh. I know people do it but what if everyone did it?

Refreshing hidden tables in Power BI semantic models with Fabric Data Pipelines Use an expression to define which tables and partitions to refresh

Refreshing hidden tables in #PowerBI semantic models with Fabric Data Pipelines blog.crossjoin.co.uk/2025/03/09/r...