The built-in search will display the message below work offline mode Stuck to indicate it is not using the Windows Search service. The issues documented in this section have been reported after installing the recent updates listed below. We're investigating the issues and will update this page when a fix is available. In the meantime, please use the workarounds suggested for each issue. If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias.

Troubleshooting Co-Authoring and Collaboration Errors

• After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface.
• The person who sent you the invitation will need to remove your permissions and then send a new invitation.
• Find solutions to common problems or get help from a support agent.
• Discover how IT leaders can address key Microsoft Copilot questions on cost, deployment, security, and integration to maximize ROI and adoption.
• Until you can install the Windows Update fix release, you can set a registry key that will cause Outlook to stop using the local Windows Search service.
• It is a feature-rich application that allows users to manage multiple email accounts, calendars, contacts, and tasks.
• TrustedTech is dedicated to being a reliable resource for all software and technology support needs.
• If anyone finds a more permanent solution, I would appreciate it.

Check your antivirus software’s settings and ensuring Outlook is listed as a trusted application. The colleagues at Bleeping Computer noticed this update and addressed it in this post. This post also mentions the downgrade to an earlier Microsoft 365 build, which was previously described as a workaround.

Get Expert Help from TrustedTech

However, sometimes, it can experience connectivity issues, especially when using a Microsoft 365 account. Let’s see how to fix Outlook connection problems in Microsoft 365 accounts. The file react-native-win32.dll was reported as not found in the specified path, even though the file exists. Robert suspected that it might be related to an Edge update, and replacing the .dll with an older version or downgrading Microsoft 365 to an older build fixed the problem. I had picked up on this in the blog post Microsoft Outlook 365 or other MS 365 apps are dropping suddenly errors.

Outlook Known issues in April 2023 updates

When built-in tools fall short, professional solutions pick up the slack. Using Cached Exchange Mode in complex environments can lead to painful sync delays. If a user has a large mailbox or lots of folder nesting, syncing might lag or even crash. Let’s look at what causes Outlook to crash, how you can fix it, and a smarter tool that takes a lot of the stress off your plate. Find solutions to common problems or get help from a support agent. The folder may have been deleted or the server where the folder is stored may be unavailable.

Outlook Known Issues in November 2021 updates

Corrupted or badly set-up Outlook profiles can often credential loop in Microsoft 365 cause start-up problems. The app might refuse to launch or crash at the splash screen. Outlook slows down, crashes randomly, or fails to load entirely.



From sync errors to sign-in challenges and collaboration setbacks, these common Office 365 troubleshooting techniques can restore service quickly. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android. If you've work offline mode stuck already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account.