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How to Fix New Outlook Images Loading Slowly in Emails
Question details
Users report that inline images in New Outlook and Outlook on the web are experiencing significant delays, often taking several seconds to load completely.
- Product
- New Outlook for Windows / Outlook on the web
- Device & OS
- Windows / Web
- Scenario
- Viewing emails containing inline images or graphic signatures in the new version of Microsoft Outlook.
- Observed behavior
- Images embedded in the email body or signature block load very slowly, disrupting the reading experience and workflow.
Before making configuration changes, test your internet connection speed and try loading the email on a different network to rule out local connectivity issues.
Check Microsoft 365 Service Health and Revert to Classic Outlook
Since New Outlook relies heavily on cloud rendering, server-side performance can cause loading delays. Checking service health and temporarily reverting to Classic Outlook can bypass this.
Microsoft may experience temporary server-side degradation affecting image delivery. If an incident is active, local troubleshooting will not resolve the problem until the server issue is addressed.
Navigate to the Microsoft 365 Admin Center and access the Service Health dashboard to look for any active incidents related to Exchange Online or Outlook on the web.
If a server issue is confirmed or suspected, open your New Outlook application and locate the 'New Outlook' toggle switch in the top right corner.
Turn the toggle off to revert to Classic Outlook. Restart the application when prompted and check if your images now load at standard speeds.
Remove Large Inline Images from Signatures
High-resolution or uncompressed images embedded in email signatures can drastically slow down the loading time of the entire email thread.
Test Outlook on the Web on a Different Network
Testing on a different network isolates whether the issue is caused by your current ISP, corporate firewall, or local bandwidth constraints.
Experience Fast, Seamless Productivity with WPS Office
If performance bugs and slow loading times in Microsoft applications are disrupting your workflow, consider switching to WPS Office. It provides a lightweight, highly responsive alternative for your document management needs, ensuring seamless compatibility with all Microsoft Office file formats without the performance lag.
- 1. Visit the Official Website: Go to the official WPS Office website to access the secure download portal.
- 2. Download the Installer: Click the 'Free Download' button to obtain the lightweight installation file for your operating system.
- 3. Install and Launch: Run the installer, follow the simple on-screen instructions, and launch WPS Office to enjoy fast, uninterrupted productivity.
Frequently Asked Questions
How do I know if the slow image loading is a Microsoft server issue?
You can verify this by checking the Microsoft 365 Service Health dashboard. If there is an active incident regarding Exchange Online or Outlook on the web, the delayed loading is a recognized server-side problem and you will need to wait for Microsoft to resolve it.
Will switching back to Classic Outlook temporarily fix the image loading issue?
Yes, in many cases. New Outlook and Outlook on the web rely heavily on cloud rendering. Reverting to Classic Outlook via the toggle switch in the top right corner can often bypass these temporary cloud performance issues.
Why do my email signatures take so long to load in New Outlook?
High-resolution or heavy inline images used in signatures can cause significant loading delays, especially on slower networks. Removing them or compressing the images significantly in your Outlook Signature settings usually resolves this performance hit.
