#osttopst

InQuit OST to PST Converter is the best solution to successfully recovery of Outlook mailbox without damaging its internal properties, it has multiple useful features for the MS Outlook users who regularly maintain their mailbox which contains inbox, outbox, sent-items, deleted-items, drafts, contacts, calendars, notes (to, cc, bcc, subject, date and time). Other features will be discussed after getting the right reasons of OST files corruption.

Why this Error come up?

If you have been working on the MS Outlook for a long time then you would be aware of this issue “Error 8004011D-526-80040115-0”. This happens in the absence of connectivity with Exchange Server, in this scenario the OST file becomes inaccessible and unable to open. In this post, the causes and their solution will be discussed. Here are some reasons which are responsible for the appearing of this error.

1.     Synchronization process halts due to power failure

2.     Some issue can be there in the current profile

3.     Under maintenance situation, Exchange Server system goes down

4.     OST file which is to be synchronized has corrupted

There are various method to recover OST files one of them is using manual methods which are hard to perform and difficult to understand for the new users who don’t have technical skill about this, on the contrary, another method is using a third party tool which makes the conversion process simple and sophisticated.

“InQuit OST to PST Converter – an alternative method to recover Outlook mailbox.”

InQuit OST Recovery tool has become the most important tool for the MS Outlook users because of the amazing features it has the capability to handle the highly damaged OST files. Its specification and features are listed below:

·       Supporting formats: It can save the result into many formats like PST, EMLX, EML, vCard, vCal, MBOX, and MSG

·      Email attachments: Convert single as well as multiple mailboxes which has folders like, outbox, sent-items, deleted-items, drafts, contacts, calendars, notes (to, cc, bcc, subject, date and time).

·      Cloud-based application: Additional features of cloud-based application like Office 365 & Live Exchange Server.

·      Supporting platform: This OST to PST Converter tool supports Exchange Server 5.0, 5.5, 2000, 2003, 2007, 2010, 2013, 2016 and all the updated and the latest version of MS Outlook 98, 2000, 2002, 2003, 2007, 2010, 2013, and 2016

·      Password Protection &Encryption: Doesn’t stop working even if it encountered the encrypted and password protected files.

·      Demo version: Its demo version allows the users to access 30 email items from each folder which is completely free of cost.

“Still, You have any confusion you can watch the video for guiding steps”

End of the line

If your Outlook OST file refuses to open or you’re stuck with inaccessible emails, there’s a powerful solution you should know about: Kernel for OST to PST (Personal License).

💡 Why people love it: ✔ Convert corrupted or orphaned OST files to PST easily ✔ Recover emails, contacts, calendars & attachments ✔ Works even when Outlook crashes or profile is deleted ✔ Simple interface – no tech skills required ✔ Fast & secure conversion without data loss

Imagine recovering years of important emails in just a few clicks instead of losing them forever. That’s exactly what Kernel for OST to PST is built for.

🔥 Perfect for: • Outlook users with damaged OST files • Anyone switching systems or profiles • Professionals who cannot afford email loss

📩 Don’t risk losing your emails. Recover them the smart way.

Microsoft Outlook is a popular email client used by millions. It stores mailbox data in two file formats — OST and PST. Sometimes, users need to convert OST files into PST format. This may happen during system crashes, Outlook migration, or profile deletion.

In this guide, you’ll learn how to convert OST to PST manually for free. We'll also show how ATS OST Converter can help if manual methods don’t work.

What Is an OST File?

An OST file is created when Outlook connects with Exchange Server, Office 365, or an IMAP account. It allows you to work offline. When your internet connection returns, all updates sync automatically.

Key Points:

Tied to a specific Outlook profile.

Becomes useless if the account is deleted or the server is down.

Useful for offline work and automatic syncing.

What Is a PST File?

A PST file stores your Outlook data locally. You can back it up or move it to another system.

Key Points:

Great for storing, archiving, or moving data.

Can be used on different systems.

Easy to import into Outlook.

Why Convert OST to PST?

There are many reasons to convert OST to PST:

To back up important emails.

When the Exchange server is not available.

To move data to a new computer.

To access data from an old Outlook profile.

For legal or compliance needs.

Manual Methods to Convert OST to PST for Free

You can use Microsoft Outlook’s built-in features to do this. These methods are free but only work if you still have access to the Outlook profile.

⚠️ If your OST file is orphaned or corrupted, manual methods won’t help. Use professional software instead.

Method 1: Use Import/Export Feature in Outlook

This is the easiest and safest manual method.

Steps:

Open Outlook.

Go to File > Open & Export > Import/Export.

Choose Export to a file and click Next.

Select Outlook Data File (.pst) and click Next.

Pick the folders to export. Check Include subfolders.

Choose where to save the PST file.

Click Finish.

Method 2: Use the Archive Feature

This helps move older emails into a PST file.

Steps:

Open Outlook.

Go to File > Options > Advanced.

Click AutoArchive Settings.

Choose how often to archive and the file location.

Click OK.

Outlook will now move older items to a PST file based on your settings.

Limitations of Manual Methods

These manual options are useful, but they have limits:

You must access the original Outlook account.

They don’t work with corrupted or orphaned OST files.

Large files take a long time to export.

There's no option to filter or split data.

Errors can happen if the process is interrupted.

Better Option: Use ATS OST to PST Converter

If you can't use manual methods, try ATS OST Converter. It’s a powerful tool that helps you convert OST files easily—even if they are damaged or orphaned.

Why Use ATS Software?

Works without Outlook or Exchange Server.

Converts OST to PST, Office 365, Gmail, MBOX, and more.

Recovers corrupted OST files.

Keeps your folder structure and email formatting.

Lets you preview emails before saving.

Supports bulk export.

It’s a great option for users who want to save time and avoid data loss.

🔗 Download the free trial from the official website Ayush Tech Software.

Tips Before You Start

Whether you use manual methods or software, follow these tips:

Always back up your OST file.

Make sure Outlook is working correctly.

Free up space on your drive for the new PST file.

Don’t interrupt the process once it starts.

Conclusion

It’s possible to convert OST to PST manually for free using Microsoft Outlook. You can use the export, archive, or drag-and-drop methods. These are good choices if you still have access to your Outlook profile.

But if the file is corrupted or you’ve lost the original profile, manual methods won’t work. In that case, tools like ATS OST to PST Converter offer a smart and secure way to export your data.

Choose the method that suits your situation. Just make sure your data stays safe.

Frequently Asked Questions (FAQs)

Q1: Can I convert an OST file to PST without Outlook? Manual methods require Outlook. If you don’t have Outlook access, use a tool like ATS OST Converter.

Q2: Is the manual method good for bulk email migration? Not ideal. Manual export is limited and time-consuming for bulk data. Use professional software for batch export.

Q3: What if my OST file is corrupted? Manual methods won’t help. Use ATS OST Converter to recover and export data safely.

Seamlessly convert Outlook OST files to PST files

Convert OST TO PST File | OSTPST Wizard