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.

To sum up, we explored several methods to fix "Outlook won’t open" errors. Whether it’s a profile issue, a corrupted PST file, or faulty add-ins, the methods above can help you get Outlook running again. When Microsoft Outlook refuses to open, it’s incredibly frustrating. This issue often stems from common culprits like a corrupted user profile, a damaged data file (PST or OST), or even a minor conflict within its settings or add-ins.

Availability has recovered, and engineers are investigating the root cause and identifying problematic servers. The team is sweeping all remaining capacity to identify and address residual issues. While these Microsoft accounts work in other Microsoft products (e.g. OneDrive, Windows, Xbox), they are non-functional when visiting Outlook.com. Outlook.com (the web version of Outlook) and Outlook apps require a 1st party alias (Outlook/Hotmail/Live/MSN) to send and receive email, use calendar, etc. For more information, go to Reduce attachment size to send large files with Outlook.

While Outlook’s built-in Inbox Repair tool (ScanPST.exe) can handle minor issues, it often falls short in cases of severe corruption or when dealing with orphaned OST files. In such situations, EdbMails OST to PST Converter provides a more comprehensive and reliable solution. To safeguard against data loss, maintaining regular backups of your OST files is highly recommended. EdbMails allows you to recover data from corrupted, damaged, or inaccessible OST files and supports direct import to Office 365 and live Exchange environments. It works seamlessly across all Windows and Outlook versions, preserving the original folder hierarchy and formatting throughout the recovery and migration process. To regain access to your data, repairing the corrupted OST file becomes essential.

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 troubleshooting Outlook startup issues to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you uninstalled via add/remove programs, you may want to go more aggressive on it. TrustedTech is a Microsoft solutions Partner in the following areas. TrustedTech is dedicated to being a reliable resource for all software and technology support needs.

If you can open the original Outlook Data File, you might be able to recover additional items. The Inbox Repair tool creates a backup file with the same name as the original, but with a .bak extension, troubleshooting Outlook startup issues and saves it in the same folder. There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't. In this guide, we will mention the common reasons behind the Outlook PST file corruption and the methods to repair corrupt Outlook PST file with complete integrity and precision.

If you're still unable to send or receive email, read how to Fix Outlook.com email sync issues. Some customers may experience a delay when trying to create a new email address, or alias, for their Outlook.com account. None of the events or information was lost in the move to the new calendar.

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 troubleshooting Outlook startup issues Outlook Data Files (.pst and .ost). A corrupted profile, a damaged PST file, faulty add-ins, or improper Outlook startup settings often cause this issue.

The Inbox Repair Tool is an in-built utility from Microsoft troubleshooting Outlook startup issues to overcome the Outlook PST file corruption issues. Users can fix Outlook PST files using this utility, but firstly you need to locate the Inbox Repair Tool (ScanPST.exe) in their system. We are going to share a table below with the default location of this utility for different Outlook versions, like Outlook 2010, 2013, or 2019.

The good news is that most "Outlook won’t open" errors can be resolved with a few proven troubleshooting steps. When you install Office, an Inbox Repair Tool (SCANSPST.EXE) is also installed on your PC. The Inbox Repair Tool can resolve issues by scanning your Outlook data files and repairing errors.

Find solutions to common problems or get help from a support agent. 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. 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.

While Outlook has limited built-in options, they often fail when dealing with severely damaged or orphaned files. It enables you to recover data from damaged OST files and convert them into accessible PST format, preserving the original folder structure and formatting. ScanPST.exe is a useful tool that can help you repair and restore corrupt or damaged PST file. However, it may fail if the PST file is severely corrupt, oversized (larger than 2 GB), and/or encrypted. In such cases, you use an advanced Outlook PST repair tool, such as Stellar Repair for Outlook, to repair severely damaged and/or large PST file with complete integrity and precision.