How to Read Corrupted OST Files?

You want to open OST files and see the content of the files. But your file is corrupted, so how can you read corrupted OST files? That’s why we wrote this article to solve this issue. In this, we will discuss the reason for your file corruption and the methods to solve it.

First, we understand what an OST file is. The OST file is an Outlook file where you can see or edit your data in offline mode. Although Outlook uses PST files to save the data, when your network connection is lost and you want to see the data, it uses an OST file. The file is created by the IMAP server, and it connects to the Exchange server and updates the changes when the connection is restored.

Reasons for OST File Corruption

Just like a corrupted PST file, there is no particular cause for the issues. Many factors affect your files.

  • Any hardware issues can affect your OST file.
  • Sudden power failures or system crashes can also be reasons for file corruption.
  • Storage issues such as bad sectors or disk errors where your files are stored can damage your files.
  • Malware or viruses make your file corrupted and inaccessible.
  • Large mailboxes and many email attachments make your OST file oversize. This large file is also the cause of the problems.
  • Antivirus software, third-party tools, or Outlook add-ins can affect your data.
  • Improperly closing Outlook makes your file corrupt.
  • File corruption can also happen when using outdated versions of Outlook.

There are many causes of file corruption; these are the common ones. So, if you want to analyze data from corrupted OST files, in the next section, we will explain a solution to your query.

Method to Read Corrupted OST Files

To solve this type of corruption problem, Microsoft created a few tools to repair corrupted files. ScanOST.exe is used in earlier versions of Outlook to repair corrupted OST files. However, these can only be used to solve the problems of not opening them and seeing the files. To view the corrupted OST files, a professional tool is used.

With this, your OST file is repaired, and you don’t have a problem using the file. However, if we talk about explore corrupt OST data files, even after repairing them, you cannot view them. This is because OST files cannot be opened in Outlook or any other program. So, if you want to analyze data from corrupted OST files, the professional method is the way to do that.

Professional Way to Read Corrupted OST Files

For repairing the corrupt OST file, you can use ScanOST.exe, but if you want to open and view them, then this is the only way. The software we use is an Outlook OST Viewer from FreeViewer. In this way, you can use normal, corrupted, or damaged OST files very easily. It is not difficult to use, just add the files to the tool, and the utility automatically scans your files and displays the data without any issues. There are various features in the software that you can use.

Features of the Tool

  • With this tool, you can read entire OST files.
  • The software provides different preview modes to help you analyze data from corrupted OST files, such as HEX, HTML, RTF, MIME, normal mail view, properties, and message headers.
  • You can explore corrupt OST data files, including emails, contacts, calendars, events, etc.
  • Users aren’t required to have an Outlook or Exchange server.
  • The tool doesn’t impose size limitations on opening the files.
  • It supports OST files from Outlook 2021, 2019, 2016, 2013, and earlier versions.
  • You can download the tool for all Windows OS versions.

Steps to Read Corrupted OST Files

  1. Download and install the software.
  2. Click on the Add File button, and then browse the location of the corrupted files.
  3. Select the Advance scan option for the corruption issue and press the Add File button.
  4. The tool scans and loads your data. All the data will be displayed in the center of the screen.
  5. Click on the file to see the content and also preview it.


Whether your OST file is corrupted or not, you cannot open Outlook. So, that’s why in this article we explain to you a way to read corrupted OST files. We use professional software that can easily open and provide better results than you can use. For corruption issues, there are utilities like ScanOST.exe and ScanPST.exe that can repair your corrupted files.

How to Browse MSG Files in Windows?

Want to know where your MSG files are stored and view them in Windows? If so, then here we will provide the location of your MSG files and the methods to browse MSG files in Windows.

The MSG file is one of the file formats that are used in Outlook. The file stores Outlook messages and is then used to share the data with another Outlook account. So, it is an Outlook message file where a single piece of information is saved and shared. Also, one can make a PST file from various MSG files. By importing them into one folder, your files automatically change into a PST file.

Where are MSG Files Located?

When you save the data in an MSG file, it is stored on the desktop or the hard disk. From this, you can locate your files very easily. You can also browse the files to the location you want when you create an MSG file. Therefore, by navigating to the file, you can see your files and content.

Methods to View MSG Files Data

MSG files only open in Outlook, so it is the only manual way to read the MSG data. But if you don’t have the Outlook program, don’t worry; there is another alternative way to view the file, which is third-party software. The tool will smoothly open the file and help you see its content. So, there are two techniques to do it.

  • Browse and read MSG files in the Outlook program.
  • Use a professional method to examine and analyze MSG files.

Manual method to Browse MSG Files in Windows

To import the files in Outlook, there are two ways. The first is to double the files, and the files will immediately open in Outlook. This is the quickest method, but if you have multiple files, then you have to open one file individually at a time. So, it is time-consuming. But the second way helps you read all the MSG files by importing them into the Outlook folder. Follow the steps given below to use this way to view MSG files data.

  1. In Outlook, at the left side of the screen, right-click on the folder pane.
  2. Select the New Folder option from the drop-down list and name the folder.
  3. Now, go to the location of the files where your files are stored.
  4. Choose a file, drag it, and drop it into the folder that you have just created.
  5. Again, select another file and drag and drop it into the same folder. Repeat this step until you have moved all the files.

Limitation of the Manual Method

By following the above method, you can browse MSG files in Windows at no cost, but in addition, there are some drawbacks as well, such as.

  1. This method is time-consuming because you must manually import the files multiple times.
  2. By opening bulk MSG files physically, there are chances of human error.
  3. There is also a risk of losing some data.
  4. It is only available if you have an Outlook program; without it, you cannot follow the steps.

So, the manual method is not an effective method as it has more limitations than benefits. To avoid these issues, the next method will help you.

An Automated Way to Browse MSG Files in Windows

In this method, we use an expert-recommended MSG Reader Tool designed by FreeViewer to open and read your MSG files. This software can be downloaded in any Windows version. The tool allows you to search your files from the list of files and folders that are stored on your device, which makes it easier for you to browse your files. After that, you can examine the content of the files. Furthermore, there are many other features as well, such as.

Features of Software

  • With the help of this tool, you can easily access the MSG files and the attachments.
  • It also allows you to view corrupt or damaged MSG files.
  • There are no file size restrictions, which means you can easily see an oversized MSG file.
  • You have multiple preview modes to view the files in HEX, HTML, RTF, etc.
  • The software allows you to read MSG files from different Outlook versions.

Steps to View MSG Files Data

  1. Download and install the software.
  2. On the left side, find your MSG files from the list of files and folders.
  3. Click on the files, and the tool loads your files and displays them in the center of the screen.
  4. You can now read the content of the files and preview it to view the files in different modes like MIME, attachments, message headers, etc.


In this article, we explain how you can browse MSG files in Windows. We also provide the destination of the MSG file. Users examine the files manually with the help of drag-and-drop. However, this method has a lot of complications. So, it is better to use the professional method to open and analyze the files.

How to Analyze OLM File Calendars on Windows?

Wondering how you can view your Mac Outlook calendar items on Windows systems? Then, in this, we will explain different ways to analyze OLM file calendars on Windows and also discuss the benefits of doing so.

The Outlook for Mac (OLM) file is a file extension that is used to export your Mac Outlook items to another account. It uses an Exchange server to create a synchronized copy of your mailbox items like contacts, calendars, events, etc. to make an OLM file. You use an OLK file and an Outlook Address Book to store your Mac Outlook locally. However, the file cannot be used on a Windows computer. So, to read Mac Outlook calendars in Windows OS is a little difficult.

Why View OLM Files in Windows

By comparison with Windows Outlook, Mac Outlook is an inferior application. There are various benefits that you cannot use in your Mac counterpart. Not only this, but there are many reasons for users to open OLM files on another system.

  • You will have access to your Mac Outlook data every time.
  • There are some problems in Outlook for Mac, for which you have to use the Windows program.
  • Mac Outlook doesn’t have any options to analyze your data.
  • Someone sent you an OLM file, but you used Windows.

So these are the reasons why one wants to analyze OLM file calendars on Windows. Now, we see the different ways to open and view the data.

Techniques to Read Mac Outlook Calendars in Windows OS

First and foremost, there is no direct way to open OLM files in Windows, as it is a Mac file. That’s why we use indirect methods. Manually, you can transfer Mac Outlook data to Windows Outlook with the help of Gmail. This will take a lot of time, as it is a long process. Other than that, there is a shorter way to open and analyze the files, which is to use software. This is a much better way to view the files. So, there are two techniques, which are.

  • Manual method: where we move our OLM files from Mac to Windows using Gmail.
  • Professional method: using a tool to directly open the file and analyze it.

Analyze OLM File Calendars on Windows Manually

This would be a long process, as it takes three phases to import your Mac Outlook data.

  1. Connect to Gmail with IMAP enabled in Mac Outlook.
  2. Move the calendar items from Outlook for Mac into your Gmail account.
  3. Then, configure the same Gmail for the Windows application.

So, let’s see the steps to open your OLM files in Windows and analyze them.

Phase 1: Connect an IMAP-enabled Gmail account with Mac Outlook

In the first stage of the process, you have to connect your Gmail account to the program so that it becomes a means to transfer your data. So, first, go to the settings of your Gmail and select the Forwarding and POP tab. Click on enable IMAP and save changes. Then, follow the below steps.

  1. Run Mac Outlook on your device. Click on Tools, then Accounts.
  2. Press the plus (+) sign to add a new account. Provide your Gmail ID details.
  3. Now, on the incoming server, write and select the Use SSL Connect option.
  4. On the outgoing server, type and check both the options under the field.
  5. Again, in the outgoing port, type 465 and click the Add Account button.
  6. On the left side of the screen, a yellow button is shown that says a connection has been made. If you enter the password and the button turns green, it means that the account is connected.

Phase 2: Move OLM Data to the Same Gmail Account

In the next stage of the process, we will analyze OLM file calendars on Windows. We now copy the calendar items from Mac Outlook into the connected Gmail.

  1. First, find the folder where your calendar data is stored in Mac Outlook. Right-click the folder and select Copy from the drop down list.
  2. Without closing the program. Open Gmail and select the folder where you moved the files.
  3. Paste the files in the folder and refresh the Gmail account.

Phase 3: Configure the Same Gmail with Windows Outlook

Lastly, we add the same Gmail that we use to Windows Outlook. Then, import the calendars and read Mac Outlook calendars in Windows OS.

  1. Open Outlook for Windows and click on the File option.
  2. Select Info, then Account Settings. Press the New icon from the current window.
  3. Check the additional server type button and Internet email option.
  4. Provide the same Gmail details that are used on Mac, and click on IMAP as the account type.
  5. Type again on incoming server and on outgoing server.
  6. Click on the More settings option and select the My outgoing server requires authentication option.
  7. In the advanced tab, enter 993 in the incoming server port. Select SSL as an encryption type.
  8. In the outgoing server port, type 465 and press the OK button.
    Select Test Account Settings and click the Finish button.

After that, you can import your OLM files from the Gmail account and analyze OLM file calendars on Windows.

Drawbacks of the Manual Method

The process is lengthy, and there are also many problems you may face in your job.

  • As it is a lengthy process, it is a time-consuming process.
  • For analyzing the data, it doesn’t provide many options.
  • Errors like configuring accounts can also happen.
  • You need some knowledge to open the files.

So, this method is not a proper way to open and analyze the data. But the next method will help you read Mac Outlook calendars in Windows OS.

Automated method to Analyze OLM File Calendars on Windows

The tool we use in this method is for Windows systems and is also free to download. The Mac Outlook File Viewer offered by FreeViewer is the software we use here. Because it is a great option to open your files and view them. The process is simple compared to the above ones. Just add your OLM files, and you can view them. For analysis, there are many options available, like.

Features of the Tool

  • You can read complete data from the Mac Outlook mailbox, like emails, attachments, contacts, calendars, etc.
  • It scans your large-sized OLM files easily and displays them on the screen.
  • The tool allows you to view files from Mac Outlook 2019, 2016, and 2011.
  • You don’t need an Outlook application to open and read the files.
  • The meta attribute will be retained after opening the files.

Steps to Read Mac Outlook Calendars in Windows OS

  1. Download and open the software.
  2. Click on Add File and open your OLM files by clicking the browse button.
  3. The tool then automatically loads your data and displays it at the front of the screen.
  4. You can now view the calendars from the Calendar option on the left side.


Mac Outlook files are not made to open on Windows, but there are some methods that indirectly transfer your files. In this article, we explain two ways to analyze OLM file calendars on Windows. The first one is manual, where, by following three steps, the files are imported into Windows Outlook. The next one is automation, where you can quickly view the files.