Skip to main content
cancel
Showing results for 
Search instead for 
Did you mean: 

Learn from the best! Meet the four finalists headed to the FINALS of the Power BI Dataviz World Championships! Register now

Reply
gsmjlc
Regular Visitor

Data Refresh ( Basic)

Hi all,

 

This may sound really dumb but I have created a report and want to update the data.

Do I need to overwrite the file each time with the new dataset?

How would I go about building a report that shows changes over a period of time (days/weeks/months) etc?

 

I have a sneaking suspicion I may just be being rather stupid but hey you don't ask, you don't get (any further in your reports!!!)

 

Thanks,

 

Alan.

 

1 REPLY 1
v-ljerr-msft
Microsoft Employee
Microsoft Employee

Hi @gsmjlc,

This may sound really dumb but I have created a report and want to update the data.

Do I need to overwrite the file each time with the new dataset?



No, you don't need to. To better understand data refresh in Power BI, you can refer to this article.

How would I go about building a report that shows changes over a period of time (days/weeks/months) etc?

Generally, you may need to use DAX functions to create some calculate measures/columns according to your needs, then show the measures/columns on your report, with your date columns(i.e. days/weeks/months/quarters/years) as Slicers, with which you can pick up any period of time you want to show.

 

In addition, I would suggest you go through the Power BI Guided Learning to start your learning journey through Power BI with this sequenced collection of courses, and understand the extensive and powerful capabilities of Power BI. Smiley Happy

 

Regards

Helpful resources

Announcements
New to Fabric survey Carousel

New to Fabric Survey

If you have recently started exploring Fabric, we'd love to hear how it's going. Your feedback can help with product improvements.

Power BI DataViz World Championships carousel

Power BI DataViz World Championships - June 2026

A new Power BI DataViz World Championship is coming this June! Don't miss out on submitting your entry.

Join our Fabric User Panel

Join our Fabric User Panel

Share feedback directly with Fabric product managers, participate in targeted research studies and influence the Fabric roadmap.

March Power BI Update Carousel

Power BI Community Update - March 2026

Check out the March 2026 Power BI update to learn about new features.