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Opened Sep 19, 2025 by Bill Matheny@billmatheny92
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Outlook Not Opening on Your Windows PC? 6 Ways to Fix It

When your mail profile is damaged, Outlook often fails to start as well or you’ll find yourself encountering one error after the other. step-by-step Outlook troubleshooting One of the first and most effective steps is to launch Outlook in Safe Mode. This mode turns off all add-ins and custom settings, helping you quickly identify if a third-party add-in is causing the startup problem. After running any of the above processes, make sure you check for updates again to verify that all updates have been installed. Did Outlook still work correctly the last time you used it?

To disable this feature, you'll need to edit the Windows Registry. It's incredibly common to have Outlook crash because of a corrupted PST file. Scroll down for an entire section on this specific issue.

Outlook is crashing when the track email button is clicked OR Outlook debug logs show error "object ... If you're having trouble installing HubSpot Sales for Outlook, the troubleshooting steps listed here should help you get up and running in no time. We go above and beyond the average software reseller because we built our business on trust. As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind. Sometimes when a user tries to search in Outlook, it either returns incomplete results, or returns nothing at all, even if you can see the email normally. Most times, this is caused by a corrupted search index, which you can rebuild.

For newer versions (2010 and later), check the Send/Receive Groups and disable scheduled sending/receiving. If you don’t want to go with the manual methods to fix these errors, you can directly go with the Outlook PST Recovery Tool. It is highly recommendable or suggestive by IT Professionals and experts.

Two methods, manual and professional will be explained here along with their stepwise working procedure to fix Outlook data files or Personal Storage Table (PST). The manual solution will uncover the step by step guide on the Inbox step-by-step Outlook troubleshooting Repair Tool (ScanPST.exe). In addition, it turns into leading Outlook errors, which might affect overall productivity and efficiency and can increase downtime. Therefore, users should put some effective solutions into action to deal with inaccessible or damaged PST files as soon as they encounter Outlook issues. OST files in Outlook 365 allow users to access their mailbox data even without an internet connection.

Have also login in another computer with this account but there is also coming the dialog with the message. My question is, how can I see what document is Outlook referring to? In Outlook thru Office.com, the account has no issue.

Get Help has troubleshooters for classic Outlook for Windows you can run for many common scenarios, such as Outlook startup or profile setup problems. When you're working with HubSpot Support to troubleshoot the desktop add-in, you may be asked to provide debug logs. When you have the extension installed in Outlook, it will store information in report logs on your computer. These logs are saved each day the extension is used, and your file names refer to the usage date. If your extension isn't functioning as expected, these logs help the support team take a deeper look into what's happening with the add-in on your computer.

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.

Start Outlook in safe mode to fix "Processing" screenIn Windows 10, choose Start, type Outlook.exe /safe, and press Enter.In Windows 7, choose Start, and in the Search programs and files box, type Outlook /safe, and then press Enter.In Windows 8, on the Apps menu, choose Run, type Outlook /safe, and then choose OK.

Search "PST Repair Tool" and you'll find many reputable programs who know how to fix this Outlook issue. In typical Microsoft fashion, there are also additional rules for certain older platforms that will make you feel very confused about 2FA. We'd be remiss to not tell you there are certain accounts (like Xbox 360) that always require 2FA as well as a special app password. Add-ins are a pretty frequent culprit for Outlook lagging issues because they are meant to provide additional functionality, but they put additional pressure on loading time. Also, '-g' represents the default location of Outlook installation and the address after '-d1' describes your profile folder's default path.

Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Check to make sure you’re connected to the internet and logged in to HubSpot. Given the wide variety of step-by-step Outlook troubleshooting Outlook issues that can exist, there is no go-to solution that will fix them all.

In this case, you’ll have to remove your app’s cache to resolve your issue. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost). If your issue with Outlook persists, use the repair tool’s "Online Repair" option to fix your app problems. This option takes longer than the first one and requires an active internet connection to resolve your app issues.

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Reference: billmatheny92/official-fix-outlook-guide1994#4