Skip to content

  • Projects
  • Groups
  • Snippets
  • Help
    • Loading...
  • Sign in / Register
O
outlook-repair-support-team4557
  • Project
    • Project
    • Details
    • Activity
    • Cycle Analytics
  • Issues 16
    • Issues 16
    • List
    • Board
    • Labels
    • Milestones
  • Merge Requests 0
    • Merge Requests 0
  • CI / CD
    • CI / CD
    • Pipelines
    • Jobs
    • Schedules
  • Wiki
    • Wiki
  • Snippets
    • Snippets
  • Members
    • Members
  • Collapse sidebar
  • Activity
  • Create a new issue
  • Jobs
  • Issue Boards
  • Dwain Calabrese
  • outlook-repair-support-team4557
  • Issues
  • #14

Closed
Open
Opened Nov 07, 2025 by Dwain Calabrese@dwainuwk68510
  • Report abuse
  • New issue
Report abuse New issue

Outlook 2016 on RDS "Cannot start Microsoft Outlook Cannot open the Outlook window. The set of folders cannot be opened. The attempt to log on to Microsoft Exchange has failed" Email

Thankfully, Microsoft Outlook is fully optimized for Windows 10, meaning Compatibility mode is not necessary. You might be wondering what happens when you switch on ways to fix Outlook data file errors the Compatibility mode for Outlook. When you do this, your Outlook might have opening problems. For this reason, you should always turn off Compatibility mode for Outlook.

Sometimes, when Outlook isn’t working right, a simple restart can help. When you turn your computer off and on again, Outlook and your computer may solve many problems. As a result, it helps to clear out any issues or things that might be causing trouble, like when you clean up a messy room.

Occasionally, that profile can become corrupted. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you. Hello, despite my new attempts with 80 users, I am resetting the registry keys for 3 to 4 users per day… Have you found a solution?

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 ways to fix Outlook data file errors to get it back.

Use Tasks to create, manage, and track things you want to get done. You can learn more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. At the top of ways to fix Outlook data file errors the message list, you can choose how you want to view the list. There might also be a visual alert that a message is unread, has an attachment, or is flagged.

Your profile stores a variety of settings that control ways to fix Outlook data file errors how Outlook looks and feels. You can create a new profile and then add your email accounts to the new profile. If repairing your Microsoft 365 programs didn't resolve your issue, move on to the next step. If installing the latest updates didn't resolve your issue, move on to the next step. For example, the first time you try to Dismiss All on a list of reminders, Outlook asks you if you're sure you want to do that. If you don't choose an option on that dialog box, Outlook won't let you do anything else.

Also, we go over the stepwise working procedure of both solutions and the reasons behind PST file corruption issues. The Inbox Repair tool or ScanPST.exe is not a convenient way because of multiple restrictions. Moreover, this tool can quickly recover email messages, calendars, tasks and other data from corrupted PST files.

Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. These files occasionally might become corrupted. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Over the last couple of weeks it will not open normally (not even in safe mode) and I am having to do the windows repair option in settings. I have also tried the Classic Outlook Profile Set Up Troubleshooter.

The Scanost.exe tool is no longer available starting in Outlook 2010. We now recommend that you delete your offline Outlook Data File (.ost) and that you let Outlook redownload the information from the server that is running Exchange Server. Rohan Wiese is a Technical Content Writer at Aryson Technologies, specializing in databases, e-mail recovery, and e-mail migration solutions. To resolve this issue, delete your .ost file and that you let Outlook redownload the information from the server that is running Microsoft Exchange Server.

Or, if the error lasted in Safe mode also, moving to the next solution is a better option. Before trying any fixes for the mentioned Outlook error, try one of the quickest hacks. If not, move ahead to other solutions to troubleshoot Outlook error Something is wrong with your data files. Users now should be mindful of the common causes why users need to fix Outlook data files (PST).

Both services offer robust features and are continually updated to enhance user experience and security. Outlook support for Mac refers to the resources and assistance Microsoft provides for users encountering problems with the Outlook application for macOS (Apple computers). Outlook webmail support is the assistance Microsoft provides for users who encounter problems using Outlook.com (formerly Hotmail) – the web-based version of Outlook accessed through a web browser. Outlook Inbox Support is designed to ensure users can manage their email communication effectively, leveraging Outlook’s features to enhance productivity and maintain organization within their inbox.

Assignee
Assign to
None
Milestone
None
Assign milestone
Time tracking
None
Due date
No due date
0
Labels
None
Assign labels
  • View project labels
Reference: dwainuwk68510/outlook-repair-support-team4557#14