Report Builder - Export failed

Hey vshinto  ,

This is a known type of issue with Power BI Paginated Reports where PDF works but PPTX/XLSX fails, and it’s usually not actually a “VPN problem” even though the error message suggests it.

Here’s what’s typically happening.

When you export a paginated report to PDF, the rendering is handled slightly differently than when exporting to PPTX or XLSX. Power BI Service uses additional backend services for Office-based formats (PPTX, XLSX). If something blocks those endpoints, the export fails while PDF continues to work.

The most common causes are:

First, network or firewall restrictions. PPTX and XLSX exports rely on additional Microsoft service endpoints. If your organization restricts outbound traffic using a firewall, proxy, or conditional access policy, those Office export services may be blocked. This is especially common in corporate environments with strict network rules.

Second, tenant-level settings in the Power BI Admin Portal. There are specific settings for:

• Export reports as PowerPoint presentations
• Export reports as Excel files
• Export data

If these are disabled for your security group, PDF will still work but PPTX/XLSX will fail.

Third, sensitivity labels or Microsoft Purview policies. If the dataset or report has a sensitivity label applied and your tenant enforces protection rules, Office exports may be blocked depending on policy configuration.

Fourth, large or complex reports. Excel export in particular can fail if:

• The dataset is very large
• There are too many rows per tablix
• Memory limits are exceeded during rendering

PDF rendering is sometimes more tolerant than Excel rendering.

Fifth, browser or session issues. Less common, but:

• Try InPrivate/Incognito
• Try another browser
• Clear cache
• Ensure no browser extension is interfering

If this explanation helped, please mark it as the solution so others can find it easily.

If it helped, a quick Kudos is always appreciated it highlights useful answers for the community.

Thanks for being part of the discussion!