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Why is Outlook not recognizing the OST File

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If you are also facing the same error” Outlook not recognizing the OST file” there, here is the most prominent solution for users to recognize the OST file into Outlook. So, keep reading this tutorial to know the process manually and using OST to PST Converter.

Outlook is one of the most widely used applications around the planet. It allows for sending and receiving email messages for personal and corporate communication. It stores its mailbox data in two file formats such as OST and Outlook default PST file.

OST stands for offline storage table and it works the same as their name as it allows users to access mailbox data offline. It contains duplicate copies of Outlook mailbox data such as email, contacts, calendars, tasks, journals and all other Outlook mailbox items. It is created automatically when synchronized automatically when you configure Exchange, IMAP account with Outlook.

If you are aware of the statement of Outlook then you already know that you can’t open or import an OST file into Outlook. But you can transfer into Outlook default PST format to easily access it.

Reason for OST File Not recognize into Outlook

  • If the OST file is corrupted due to unexpected system shutdowns, software conflicts, or storage issues, Outlook may fail to recognize it.
  • Using an outdated version of Outlook may cause compatibility issues with the OST file format. Ensure you’re using a compatible version of Outlook.
  • If synchronization between the OST file and the Exchange server fails, Outlook may not recognize the OST file. This can occur due to network issues or improper configuration.
  • Corruption in the Outlook user profile can prevent Outlook from recognizing the OST file. Creating a new Outlook profile may resolve this issue.
  • Large OST files may exceed the size limitations imposed by Outlook versions, leading to recognition issues.

How to Recognize OST File Into Outlook Manually?

If you are owner of the Outlook application or can access Outlook profile then you can perform manually by using Outlook native import/export features.

  • First, launch the Outlook application and then navigate to the file.
  • Now,Hit on open and export and next press on import/export Outlook inbuilt tool.
  • Choose Export to a file and click the next button to continue.
  • Then, select Outlook PST file and press the next button to proceed.
  • Browse Outlook mailbox data according to your requirement.
  • Lastly, set destination and click finish to end the process.

Limitations of Manual Approach

  • It will take lots of time and be a very complicated process.
  • Users must be familiar with the features of Outlook to handle this approach.
  • You can’t restore and convert damage, corrupted and oversize OST files.

How to Recognize OST File into Outlook Via Expert Recommended Approach?

If you have damaged OST file and want to access it then you can opt Corbett OST Converter is the perfect option that allows to convert Outlook data file without losing any single information.

  • Download software and run on your computer.
  • Browse the OST file and open into the application.
  • Select Outlook PST file in the various option of export.
  • At last, set destination and click on save to get the file quickly.

Notable Attributes of Professional Approach

  • Its preserved mailbox data hiearchy remains the same as the original. Also, PST File Converter offers strong data protection to prevent any effect with the original file.
  • This application is very simple to perform by all types of professional and individual users.
  • You can also restore and convert damaged, corrupted and when OST reached maximum size.
  • With this application, you can also convert selective mailbox data as per date range, subject, sender and recipients etc.
  • This application can also restore OST file.

Let’s Wrap Up

In this post, we have shared the reliable techniques to resolve errors: Outlook not recognizing the OST file. If you have an accessible Outlook profile then you can perform manually. Then, we recommend you to opt for a professional approach to complete the process without taking any risk with mailbox data.

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