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January 31, 2026
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It contains an easy-to-use interface and many useful features, this is why I’ve ranked it #1. I have a backup PST file of just over 45GB and it has gone corrupt and inaccessible. I need the mailbox data in the file urgently and wanted to confirm whether the Inbox Repair Tool will be able to take on such a large file or not? Everywhere I search on the internet, they say that it can only handle files up to 2 GB, which is kind of unbelievable. The tool Microsoft uses to correct minor PST issues in Outlook is known as ScanPST.exe.
Part 1. When Do We Use the Outlook Inbox Repair Tool?
Microsoft Inbox Repair Tool or SCANPST.EXE may stop responding or crash during the PST repair process. In such cases, you can use Stellar Repair for Outlook—an advanced inbox repair tool—to repair corrupt PST files. The website software repairs severely corrupt PST files with 100% accuracy and without any risk of data loss. Unlike the Inbox Repair tool, the software helps you recover and restore deleted mail items after PST repair. Outlook data file (.PST) may become inaccessible due to corruption caused by the oversized mailbox (large PST), malware or virus intrusion, system or Outlook crash, etc.
What is the Alternative to ScanPST in Outlook?
It can split PST files based on date, size, email ID, and mail folder names.SysInfoTools Software is well known for its data recovery and email management products.Additionally, the tool can retrieve mailbox components from encrypted or password-protected PST files while keeping the data intact.The Outlook user confirmed the successful import of all mailbox components in their original form, validating the process's effectiveness.Also, it remove bad sectors from PST file and create a new healthy Outlook data file.There are many vendors in the market which provide you PST Recovery software.This way, you can access all recovered mailbox components in Outlook.It has more than 2 million satisfied customers all around the world.
The Land Bank team effectively repaired and extracted an oversized, corrupt PST file into smaller, high-performance PSTs, ensuring 100% data integrity. The Outlook user confirmed the successful import of all mailbox components in their original form, validating the process's effectiveness. When Outlook ScanPST.exe not working, you can go for a professional third-party tool. This could be the best ScanPST alternative solution to repair Outlook folders. Let’s get started with the alternative of Outlook Inbox Repair Tool (Scanpst.exe).
Limitations of Scanpst.exe
Unlike the Inbox Repair tool, Stellar Repair for Outlook can repair PST files without any file size limitation. The Technician edition of the software can compact large PST files and split them into smaller ones to minimize the chances of PST file corruption due to large size. It can split PST files based on date, size, email ID, and mail folder names. The Compact option compresses the PST file by saving the attachments in a separate folder. PST files are not invincible to the attack of viruses or malware software. Protect them by strengthening your system using antivirus protection software.
Advanced Inbox Repair Tool
It has more than 2 million satisfied customers all around the world. The Outlook PST file Repair tool provided by Stellar is designed to repair the most severely corrupt PST files and to restore maximum possible data from it. Stellar Repair for Outlook safely extracts mailbox data from corrupt PST files, saves it in a new PST file, or appends it to an existing PST. Besides PST, the software can also save the recovered mailbox data in EML, MSG, RTF, HTML, and PDF formats. So you get to afford a great amount of portability, as the data can be accessed in various programs.
Step 4: Method 4: Uninstall & Install Microsoft Outlook
It can scan, diagnose, and attempt to correct the damaged files whenever corruption occurs. Fixing or resolving the "Microsoft Outlook Inbox Repair Tool is not Responding." error might be easy after performing the methods as mentioned earlier. But what if you won’t be able to repair the PST file using the Inbox Repair Tool because its issues won’t be fixed yet? In that case, the recommended third-party solution Click on Fixtechguide is your better choice.
With Stellar's advanced inbox repair tool, you can repair such inaccessible PST files and save recovered mail items in a new PST file with a few clicks. The software is compatible with all Outlook versions, including 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, and 2000. Yes, the advanced inbox repair tool is a reliable alternative to the Microsoft’s Inbox Repair tool or ScanPST.exe. It can repair severely corrupt PST files of any size, unlike Scanpst.exe, which might not effectively repair large-sized or highly corrupt files. Further, the tool also repairs encrypted or password-protected PST files without any data loss.
ScanPST.exe is particularly an Inbox Repair Tool in Outlook. This inbuilt feature repairs errors from your Outlook Outlook Login Issues Troubleshooting data file. It scan all the bad sectors and removes the same to keep PST file healthy. However, in some cases Outlook INBOX Repair Tool stop responding due to various reasons. On the other hand, user wont able to contact or get support from MS Outlook properly.
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January 12, 2026
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Sometimes, for security reasons, Outlook may block your account and ask you to change your password. The following section will discuss the best ways to resolve the error Can’t Send Email from Outlook. You just need to have an overview of the entire blog to get your answer soon. Updating or reinstalling Outlook can fix many issues, ensuring that you have the latest bug fixes and performance improvements. Use the following steps to re-enable the Send immediately when connected option.
#5. Give Outlook a Fresh Start
If you’re using Microsoft 365, you can also check real-time server status on the Microsoft Service Status page. Being a Chief Technical Analyst, I am aware of the technicalities faced by the user while working with multiple technologies. So, through my blogs and articles, I love to help all the users who face various challenges while dealing with technology. By looking for these errors, you can quickly fix them or identify if they do not work. Then, here are the best solutions which can surely help you solve your problem. Rohan Wiese works as Technical Content Writer at Cigati Solutions.
How to Fix the "Microsoft Outlook Can Receive But Not Send Emails" Issue
Ensuring your internet connection is stable and reliable is the first step in troubleshooting Outlook’s email-sending issues. If the connection is stable and you’re still having problems, you might want to check out the other fixes mentioned here. These delays can arise due to incorrect account settings, a cluttered inbox or mailbox, issues with internet connection, or malfunctioning or outdated add-ins. Repairing your Outlook profile can fix various issues related to email sending and ensure your account settings are correctly configured. If the above attempt to check official Fixtechguide blog an email doesn’t work, don’t worry!
Common Causes of Outlook Not Sending Emails
It's a brand new install on two brand new machines with the Outlook Not Sending or Receiving Email same problem. I used to use EM Client with no issues, but tried to use Outlook as it is included with 365, but it is truly terrible so far. There are some third-party add-ins which can cause Outlook freezes when sending email. This clears any misconfigured settings and allows Outlook to reset your account connection. Refer to your email service provider’s official documentation for the correct SMTP settings if you’re unsure. If the server is down, you’ll need to wait until Microsoft or your email provider resolves the issue.
Preliminary Checks Before Troubleshooting
You can try sending it again, and this simple step can fix any minor issues that might be stopping your email from going through. Microsoft regularly releases updates that include bug fixes and performance improvements. Ensuring the correct outgoing server settings, port numbers, and encryption protocols prevents miscommunication with your mail server.
How to Use Customer Support Benchmarks to Deliver Better Support
Identifying a failed connection helps confirm if the issue is external. Outlook Add-ins are designed to enhance functionality, but some can conflict with email operations, particularly when sending or syncing messages. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. I am having trouble with Outlook, on two machines, both brand new installs. It can take a matter of minutes to do a simple search, the same to send an email.
These delays can arise due to incorrect account settings, a cluttered inbox or mailbox, issues with internet connection, or malfunctioning or outdated add-ins.You just need to have an overview of the entire blog to get your answer soon.If the server is down, you’ll need to wait until Microsoft or your email provider resolves the issue.When this problem occurs, the message remains in your Outbox folder until you manually initiate a Send/Receive operation (for example, press F9 or select send or receive).– Download the latest version of Outlook from the Office website or use your installation media to reinstall the software.
This setting is tied to the following registry data, so this setting can also be configured by an administrator through a connection status shows disconnected modification of the registry. This problem can occur if the Send immediately when connected option is not enabled, as shown in the following figure from Outlook 2016. A vast community of Microsoft Office365 users that are working together to support the product and others.
Repairing the profile restores default settings and fixes underlying issues without affecting your data. It breaks up large PST files using filters like date, size, subject, etc. Identifying and addressing the specific cause of the error is crucial to resolving the issue and restoring normal email-sending functionality in Outlook. Running an outdated version of Outlook can lead to bugs, compatibility issues, and sending failures. If Outlook itself seems to be at fault, solutions like updating the app, repairing your profile, or recreating the email account can provide a fix.
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