How to Recover Deleted Emails From OST File Free?

If you are a user who uses Outlook with MS Exchange Server, you should know that the Outlook Data File(.ost) stores all user data like emails, contacts, appointments, messages, notes, tasks, and journals. Moreover, the files on your server can also be accessible in offline mode. Changes performed in it always get synchronized with the mail server after establishing the proper internet connection.

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But Sometimes, you may accidentally delete critical emails from an OST file, and you need to recover deleted emails from OST File free from the “Deleted Items” folder. But what if your deleted emails are also removed from the “Deleted Items” folder? Or, you accidentally delete the folder? In this case, the requirement to recover email from OST files increases.

Here, in this blog, we will discuss the possible methods to recover deleted OST file Outlook 2016 and the reasons behind the deletion of OST file emails. The post also contains how to professionally recover email from OST files, i.e., Sysinfo OST Recovery Tool.

Different Scenarios Behind the Deletion of OST Emails

There are different scenarios where users need to recover deleted emails from OST File free:

  • Cannot access the Exchange account and there is a corruption issue in an OST file
  • If the Exchange account is disabled (but not deleted)
  • If your Exchange account is deleted

How to Recover Deleted Emails from OST File freely?

You can skip these cases that may be one of your situations also. Or read it carefully and perform the step-by-step guide of different methods described below to recover deleted emails from the OST file.

Scenario 1: If you Cannot Access the Exchange Account and There is a Corruption issue in an OST file

Suppose you cannot access the Exchange account due to server unavailability or crash. Or, you want to access the OST file data, but the OST file is damaged, inaccessible, or corrupted. Since Offline Outlook Data Files (.ost) are copies of items stored on a mail server, you can regenerate the OST file to fix the corruption issue.

Follow the Steps to Create the OST file

  1. Firstly, close your Outlook application.
  2. After that, open the Control Panel, and click or double-click Mail.
  3. Here, click Show Profiles in the Mail Setup – Outlook dialog box.
  4. Select your current (existing) profile in the Mail dialog wizard and click on the Properties button.
  5. Now, click on the E-mail Accounts.
  6. Choose the Exchange account from the E-mail section, and click on the Change option.
  7. Deselect the Use Cached Exchange Mode checkbox and tap on the More Settings.
  8. In the Advanced tab, select Offline Folder File Settings.
  9. Click the Disable Offline Use button in the Offline Folder File Settings box.
  10. After promoting the same, click Yes.
  11. Again, click the Offline Folder File Settings button, and click OK.
  12. In the box that pops up on your screen, click Yes.
  13. Opt for the Use Cached Exchange Mode checkbox under ‘Cached Exchange Mode Settings, click OK, and then hit Next.
  14. Click on the Finish button.
  15. Now, close all the dialog boxes and Open Outlook.
  16. Please, check if your OST file gets created or not.

Scenario 2:- If your Exchange account is disabled (but not deleted)

Suppose your Exchange account is disabled (not deleted), and you can access Outlook; then try to export emails from an OST file to a PST with the help of the ‘Import and Export Wizard’ in Outlook.

Steps to Export OST File items Into Outlook 2016

  • Start Outlook and Go to File.
  • Select the Open & Export, and opt for the Import/Export option.
  • Choose Export to a file from the Choose an action to perform tab.
  • Select the Outlook Data file (.pst) and click Next in the Export to a File wizard.
  • Choose the email profile or specific folders from which you want to export data to a PST file.
  • Click Browse to choose the location on your system to save the PST file. Select one option from the ‘Options’ section.
  • Finally, click on the Finish button to complete the process.
  • You can also secure the PST file or click OK if you want.
  • Once these steps are executed entirely, the chosen email profile or folder gets exported to a PST file.

Steps to Convert OST File to PST in Outlook 2010

  1. Start your Outlook 2010 and click File >> Open >> Import.
  2. Choose the Export to a file option from the list of options, and then click Next.
  3. Select the Outlook Data File (.pst), and click Next.
  4. Choose the email profile or folders you want to convert to PST. Select the Include subfolders checkbox and click Next.
  5. After that, click on Browse and select the location on your system where you want to save the converted PST file.
  6. Click on Finish. A pop-up will appear. You may have to enter a password or leave it blank and click OK.

Read here: Free manual methods for OST file recovery

Scenario 3:- If your Exchange account Data is deleted

If your account is deleted from the Microsoft Exchange server, then it may be possible that your OST file will become corrupted, damaged, or inaccessible. Therefore, you can use the Best OST Recovery Software by Sysinfo to recover deleted emails from OST File free.

The Software is competent enough to recover data from the Outlook OST mail items like Email, Task, Calendar, Contacts, and Distribution Group. Moreover, you can also save the recovered OST files into multiple file formats like PST, EML, MSG, DBX, & MBOX.

Steps to Recover Deleted Emails from OST File

    1. Click Open and select the OST file you want to repair. In addition, choose the recovery mode: Standard, Advanced or Deep. Click OK.

select ost file

    1. Wait until the scanning process gets completed. Click OK.

click ok

    1. Select the folders you want to backup and click on the Save button.

select folder

    1. Choose the saving format as PST, and click OK to start the saving process.

choose saving format

    1. Finally, the saving process gets completed. Click OK.

process end


Through this blog, you understood the different scenarios and possible solutions to recover deleted emails from OST File free. On the other hand, if the manual method is hectic for you and you think there is a possibility of data loss. You can also go for the OST File Recovery Tool and quickly recover the deleted and corrupted data.

About The Author:

I'm a content writer in the field of Email Migration, Data Recovery, Email backup, and File Management. I started this writing career two years back. I think the vast range of information in this industry is the reason I am so fascinated to read about the newer techniques and technology.

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