How to Resolve Not Implemented Error in Outlook? 2025 Updated
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Save the repaired file to PST, MSG, EML, PDF, HTML or export directly to Office 365. Select the corrupted PST or OST using the file picker. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers. Another options is to use the Filter Email button on the ribbon. You may notice that All, Unread , Mentioned and other sort and Outlook Login Issues Troubleshooting filtering options, such as By date, and Newest are missing in Outlook above your email list.

Troubleshooting Co-Authoring and Collaboration Errors

Let’s see how to fix Outlook connection problems in Microsoft 365 accounts.In these cases, direct escalation to Microsoft or working with a Microsoft CSP partner, such as TrustedTech, can expedite resolution and minimize downtime.If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue.From sync errors to sign-in challenges and collaboration setbacks, these common Office 365 troubleshooting techniques can restore service quickly.Outlook crashes are never good, but you do not have to face them unprepared.Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite.

TrustedTech is a Microsoft CSP Direct Bill Partner with all six Solutions Partner designations and decades of expertise in licensing, support, and cloud infrastructure. If you're looking for smarter ways to manage, secure, or optimize your Microsoft 365 (M365) environment, our U.S.-based team is here to help. In addition, you can export directly into Office 365 mailboxes after recovery with no middle step required.

Get Expert Help from TrustedTech

Microsoft had confirmed the issue for Windows Server 2016 and 2019 and recommended a downgrade. With apps syncing across devices and cloud services, sync issues are among the most frequently reported M365 problems. These can include missing files, ghost icons, or documents that do not update in real-time. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile.

Outlook Known issues in April 2023 updates

Faulty hard drives or disk errors can corrupt the Outlook data stored locally. This creates crashes that seem random—until you dig into the hardware logs. If you are an Outlook user and encountering connectivity problems with Microsoft 365 mailbox, the steps above may correct the problem. Otherwise, the probably culprit is a damaged OST file. Use the Stellar Converter for OST to extract mail items from the backup (orphaned) OST file. Discover how IT leaders can address key Microsoft Copilot questions on cost, deployment, security, and integration to maximize ROI and adoption.

Outlook Known Issues in November 2021 updates

Corrupted or badly set-up Outlook profiles can often flush DNS and re-sync Outlook 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.

Outlook Known issues in October 2022 updates

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 Outlook sync help from FixTechGuide 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.