Posted inMicrosoft 365 apps

MC1473149: Excel for the Web Retires Power Query Data Loading to Python in Excel

3 minutesPosted inMicrosoft 365 apps
MWPRO IMPACT SCORE
OPERATIONAL IMPACT
48
0 25 50 75 100
MODERATE IMPACT • ASSESS BUSINESS IMPACT
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Primary Audience

Microsoft 365 AdminsIT ManagersService OwnersEnd Users
Why this score?
AI Confidence
HIGH
Enough detail is available to trust this assessment.
Assessment Reasoning
This is a confirmed retirement of a specific integration for Python in Excel on the web, effective in one month. Admins need to review usage, notify affected users and update documentation, but there is no configuration change required. User impact is moderate because workflows combining Power Query and Python will stop working on the web, though alternatives exist on desktop. Urgency is moderate due to the upcoming deadline and need for communication planning.
45
🛡️ Admin Impact
MEDIUM
55
👥 User Impact
HIGH
50
⚡ Urgency
HIGH
40
🔧 Effort
MEDIUM
ℹ️ WHAT YOU NEED TO KNOW
📌

AT A GLANCE

Support for loading Power Query data into Python in Excel for the web ends on 16 October 2026. Workflows using these together online will stop working.
👥

END USERS

Users relying on Power Query with Python in Excel for the web will lose this functionality.
🛡️

IT ADMINS

Identify affected users, notify them, and update documentation or training as needed before retirement.
📅

ROLLOUT TIMELINE

Upcoming:
October 16, 2026

📢 Official Microsoft Message Center Announcement

Loading Power Query data to Python in Excel Web: Retirement
Message ID: MC1473149

[What and why:]

Microsoft is retiring support for loading Power Query data into the Python runtime in Excel for the web. After this change, users will no longer be able to use Power Query as a data source for Python in Excel when working in Excel for the web. This retirement aligns investments in Python in Excel with supported experiences and does not affect Excel for Windows desktop.

[Rollout Schedule:]

  • Retirement date: October 16, 2026

[Impact on Your Organization:]

Who is affected:

  • Users who use Python in Excel with Power Query data sources in Excel for the web.

Platforms affected:

  • Excel for the web

What will happen:

  • Beginning October 16, 2026, users will no longer be able to load Power Query data into the Python runtime in Excel for the web.
  • Workflows that depend on combining Power Query and Python in Excel for the web will no longer function as expected.
  • No changes are being made to Python in Excel experiences in Excel for Windows desktop.
  • Users can continue to import external data by using Power Query and analyze data with Python in Excel on supported desktop experiences.

[Action Required / Recommendations:]

  • No administrative action is required.
  • Identify users and business processes that rely on Power Query data being loaded into Python in Excel for the web.
  • Notify affected users of the retirement and expected workflow impact.
  • Review affected solutions and consider transitioning those workflows to Excel for Windows desktop where this capability remains available.
  • Update internal training, documentation, and support materials as needed.

Source: Microsoft Message Center • Analysed by MWPro

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