Power BI App Custom page size not fitting

[CheSan]

Hi,

I’ve created a Power BI App and added our report to it. One of the reports uses a custom page size — not the default 16:9 — because it has a large, complex layout. While the report looks fine in Power BI Service, it appears zoomed in when viewed through the Power BI App. This is likely because the app doesn’t automatically scale custom canvas sizes. I’m currently exploring whether there’s a way to make the report fit better within the app view. Microsoft’s documentation suggests resizing the report to a standard page size, but that’s not feasible for us due to the layout requirements. I’ll continue testing and see if there’s a workaround that doesn’t involve redesigning the report.

[v-hjannapu]

Hi @CheSan,

I would also take a moment to thank @Poojara_D12, @lbendlin, @MasonMA  for actively participating in the community forum and for the solutions you’ve been sharing in the community forum. Your contributions make a real difference.
 

I wanted to check if you had the opportunity to review the information provided. Please feel free to contact us if you have any further questions.

Regards,
Community Support Team.

[Poojara_D12]

Hi @CheSan 

You’ve published a report with a custom canvas size to a Power BI App, and while it displays correctly in the Power BI Service, it appears zoomed in when opened through the App. This happens because Power BI Apps don’t automatically scale non-standard page sizes, so custom layouts can lose proper fit and responsiveness. Although Microsoft recommends switching to a standard page size for best viewing, that isn’t practical in your case due to the complex design. You're currently testing to see if there’s a workaround that preserves the custom layout without needing to rebuild the report, since the issue seems tied to how the App handles custom page dimensions rather than a report problem.

[lbendlin]

Do you mean a Power BI Mobile app?  There is a mobile view in Power BI Desktop that lets you test drive the layout, and you can also enable responsive layout.

[MasonMA]

Hi, did you check your report Page View mode under 'View'? If it were set to 'Actual Size', you may try switching it to 'Fit to Page' before re-publishing and test again~

[CheSan]

Hi, Thank you for your comment. Yes I checked it and it is already Fit to Page.
Canvas setting is 3500*1600 in the report I guess Power BI App supporting only standart sizes and biggest standart size is 1920 × 1080. I am not sure if there is a way to fit in Power BI App like Service