Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Zoom Meetings Add-In for Outlook Hangs

more options

I cannot add a Zoom meeting to an Outlook meeting using my Outlook Web app. The Zoom add-in is installed and the button appears in the Web app. When I click it, I get the message "Zoom is working on your Add a Zoom Meeting request." But it just hangs there.

The Zoom add-in works using my Outlook Desktop client on the Mac and using Outlook Web in Chrome. Firefox seems to be the issue. Any idea what I can try to fix this?

I cannot add a Zoom meeting to an Outlook meeting using my Outlook Web app. The Zoom add-in is installed and the button appears in the Web app. When I click it, I get the message "Zoom is working on your Add a Zoom Meeting request." But it just hangs there. The Zoom add-in works using my Outlook Desktop client on the Mac and using Outlook Web in Chrome. Firefox seems to be the issue. Any idea what I can try to fix this?
Attached screenshots

Chosen solution

I fixed this! I went to the hamburger menu (three horizontal lines), clicked on Help -> More Troubleshooting information. From there I opened my Profile folder, and then found and renamed "prefs.js" to "prefs.js.old." This magically fixed my problem.

Read this answer in context 👍 0

All Replies (1)

more options

Chosen Solution

I fixed this! I went to the hamburger menu (three horizontal lines), clicked on Help -> More Troubleshooting information. From there I opened my Profile folder, and then found and renamed "prefs.js" to "prefs.js.old." This magically fixed my problem.