"Something went wrong. Service request timed out"

The error message "Something went wrong. Service request timed out after 90000ms." in Microsoft Outlook typically indicates a connectivity issue preventing the application from fully loading or communicating with the server within the expected time frame.

Potential Causes & Solutions:

1. Network Connectivity Issues:

   • Check your internet connection: Ensure you have a stable and reliable internet connection.

   • Restart your router/modem: This can refresh your network connection.

   • Check proxy settings: Ensure they are correctly configured and not blocking Outlook's access.

   • Temporarily disable VPN/Antivirus: If using, test if these interfere with Outlook's connection.

2. Outlook Application Issues:

   • Refresh the application: As suggested by the error message, try clicking "Refresh the application".

   • Clear Outlook's cache: Corrupted cached data can cause issues. Close Outlook, navigate to %localappdata%\Microsoft\Outlook in File Explorer, and delete the Cache or RoamCache folder (skip database files if prompted).

   • Repair Office Installation: Go to Control Panel > Programs > Microsoft Office > Change and choose Quick Repair or Online Repair.

   • Open Outlook in Safe Mode: To identify if add-ins are causing the problem, run Outlook in safe mode (outlook.exe /safe). If it works, disable add-ins one by one until the culprit is found (File > Options > Add-Ins).

   • Create a new Outlook Profile: This helps rule out a corrupted profile. Close Outlook, go to Control Panel > Mail > Show Profiles, and add a new profile, then set it as default.

3. Account or Server Related Issues:

   • Verify Account Settings: Ensure your email account settings (server addresses, port numbers, security settings) are correct in Outlook (File > Account Settings > Account Settings > Change).

   • Check for Server Issues: Visit the Office 365 Service Health Dashboard (if applicable) to see if there are any reported service outages affecting Outlook or your email provider.

   • Contact your email service provider or IT administrator: If the issue persists after trying the above steps, especially if it's a work/school account, contact your provider or administrator for further assistance, as it might be a server-side problem.