Skip to content

  • Projects
  • Groups
  • Snippets
  • Help
    • Loading...
    • Help
    • Support
    • Submit feedback
  • Sign in / Register
S
steps-to-fix-outlook-not-opening2020
  • Project overview
    • Project overview
    • Details
    • Activity
  • Issues 9
    • Issues 9
    • List
    • Boards
    • Labels
    • Service Desk
    • Milestones
  • Merge Requests 0
    • Merge Requests 0
  • CI / CD
    • CI / CD
    • Pipelines
    • Jobs
    • Schedules
  • Security & Compliance
    • Security & Compliance
    • Dependency List
    • License Compliance
  • Packages
    • Packages
    • List
    • Container Registry
  • Analytics
    • Analytics
    • CI / CD
    • Code Review
    • Insights
    • Issues
    • Value Stream
  • Wiki
    • Wiki
  • Snippets
    • Snippets
  • Members
    • Members
  • Collapse sidebar
  • Activity
  • Create a new issue
  • Jobs
  • Issue Boards
  • Marisol Olivo
  • steps-to-fix-outlook-not-opening2020
  • Issues
  • #3

Closed
Open
Opened Feb 01, 2026 by Marisol Olivo@marisololivo9
  • Report abuse
  • New issue
Report abuse New issue

Fixes or workarounds for recent issues on Outlook com

Things changed on February 1st, 2024 when Google and Yahoo started applying new email sender standards in an attempt to improve their users’ experience. Even with the correct SMTP details, the server might be down or malfunctioning. Understanding the specific error codes returned by the SMTP server can help diagnose the issue. Mistyped usernames or passwords can prevent successful authentication with your SMTP server, leading to failed email sends. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device. Read how to Add your Outlook.com account to another mail app.

It's free, more secure and will require a verification code in addition to your password. If you still can’t recover your account, you can create a new Google Account. When you do, you can follow these steps to avoid getting locked out of your Google Account. To protect your account, it may be temporarily locked after too many unsuccessful attempts to sign in.

If you want to fix PST files using this tool, make sure to have a proper backup of the Outlook PST before processing. Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content. With a background in computer science and a passion for writing, I thrive to deliver complex technical content in simple layman terms. However, in some cases, the Inbox Repair tool (SCANPST) fails to repair the PST file. Opt for a better alternative tool such as a professional PST Repair Tool. Microsoft Outlook, like any other software on Windows, encounters several errors.

Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface. Ensure that your Outlook recycle bin is empty and then run the Compact Now command to complete the mailbox housekeeping exercise. This, along with all other features, is conveniently available across all platforms for efficient inbox management on any device.

Below are effective methods you can try:Verify and Update Outlook Profile Settings. ...Repair the Outlook Profile. ...Recreate the Outlook Profile. ...Check and Repair the Outlook Data File (PST) ...Disable Add-ins. ...Update Outlook and Windows. ...Verify Permissions for the Data File. ...Relink the OST File (For IMAP/Exchange Accounts)Jan 24, 2025

The built-in back-off mechanisms in the indexing restore Outlook functionality component of Windows Search or WDS pauses the indexing of Outlook data when the system is under heavy use. The easiest way to let the indexing finish is to leave Outlook running overnight.Additionally, you can reduce performance issues by running Outlook in Cached Exchange Mode. In this mode, Windows Search or WDS searches the local copy of the mailbox instead of the mailbox content on the server.

MacroView software relies on Microsoft WPF to create its modern interface, which in some cases can be graphics restore Outlook functionality display intensive. The MacroView client also passes most write operations via the %appdata% folder, which, when shared, could slow performance. Some security programs continuously scan the entire workstation for threats leading to poor computer responsiveness. Making some minor changes to your virus scanner software can have a positive impact without compromising security. For example, the MacroView program files folder were already scanned on installation and are not updated during general use, so why not create an exclusion path for this location? We have seen greatly improved Outlook startup times when the exclusion path is set.

Use the classic Outlook for Windows connectivity troubleshooter to troubleshoot Outlook connectivity issues. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies. If one of these resolves your problem, close the app and continue working. Use the classic Outlook advanced diagnostics troubleshooter to create a detailed configuration report. Receive Community updates and events in your inbox every Monday morning. A lot of times, a user will click on something by accident and change their view and be unsure of how restore Outlook functionality to get it back.

In some scenarios, doing so fixes the "Outlook will not open" issue. However, if installing updates doesn’t fix the problem, then try to repair your Office programs. Then, you can try to start Outlook 2016 in Safe Mode and then check which add-in is causing Outlook issues, disabling that add-in.

Follow the on-screen instructions to update your Office apps. Then, launch your Outlook app, and it should open without problems. If your PC has a virus or malware infection, that may be why Outlook isn’t launching. In this case, run a full virus check on your PC to find and remove any threats.

Linked issues

  • Discussion
  • Designs
Assignee
Assign to
None
Milestone
None
Assign milestone
Time tracking
None
Due date
None
0
Labels
None
Assign labels
  • View project labels
Reference: marisololivo9/steps-to-fix-outlook-not-opening2020#3