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If you use Outlook with Microsoft Exchange Server, then you should know that Outlook stores all its contacts, appointments, messages, notes, tasks and journal entries in a mail box located on the server. The file on your hard disk is an offline Data File (OST) and contains a copy of your account mailbox. It provides you with quick access to data even when you are working offline, and it's always synchronized with the mail server. At times, you may accidentally delete very important emails from an OST file and you can always restore them from "Deleted Items" folder. But what if your deleted emails bypassed the "Deleted Items" folder? Or, you accidentally emptied the folder? In this case, the process involved in how to recover email from OST file can be very tricky and challenging.

Part 1: 2 Ways on How to Recover Emails from OST Files

Method 1: Using Remo- Convert OST to PST Software

You can get back the deleted emails from OST file as long as you have installed a third party program known as Remo- Convert OST to PST software. This application converts OST file to Outlook PST file, which you can use to access all the deleted emails or other Outlook attributes that may have been deleted or lost. The software also helps fix the "Outlook.ost cannot be accessed" problem and repairs corrupted/ inaccessible OST files.

Step-By-Step Guide on How to Recover Emails from OST Files With Remo-Convert OST to PST Software

Step 1. Go to https://www.remosoftware.com and download Remo-Convert OST to PST Software. Install the program on your computer and launch it.

Step 2. On the main screen select the "Open OST File" option, that's if the exact location of the OST file is known. If that isn't the case, you can use the "Find OST File" option.

recover emails from ost files

Step 3. In the next window, provide your preferred destination path where the converted file can be saved.

recover emails from ost files

Step 4. Click on the "Convert" tab, and then the program will start the conversion process.

recover emails from ost files

Step 5. After a completion, a notification will show you that the OST file conversion is completed.

recover emails from ost files

You'll now have a PST file that contains all your Outlook items that were saved in the OST file. If you can import this PST file into your Outlook, you'll be able to access all Outlook attributes successfully.

Method 2: Using PST Walker Software

If you have problems opening an OST file or you are getting an error message when synchronizing the offline folder file (OST) with your mail box on Microsoft Exchange Server, PST Walker can help you retrieve the contents of the OST file. Also, if you no longer have access to the computer that was originally used to create an OST file, you can use PST Walker to open it even without the corresponding Exchange mailbox or profile on the server. The software helps you convert these files to more common Microsoft Outlook Message formats (.msg files) which can then be opened with Microsoft Outlook as well as with other compatible mail client.

Step-By-Step Guide on How to Recover Emails from OST Files With PST Walker Software

Step 1. Close Microsoft Outlook and other programs that may use your mail box.

Step 2. Go to http://www.pstwalker.com/download.html, download PST Walker Software, install and run it. Then click "Open" or select File> Open menu.

recover emails from ost file

Step 3. Select the OST file you want to open and preview all the items including contacts, messages, appointments, notes, etc.

select the ost file

Step 4. Use "Export" under "File" menu to convert .ost file to .msg or .eml files.

convert files

It is just as simple as that. Note that PST Walker will convert even password protected or encrypted OST files.

Part 2: The Simplest Way to Recover Emails on Mac and Windows

Recoverit (IS) for Mac (or Recoverit (IS) for Windows) is the best software for recovering emails both on Mac and Windows PC. The safe and affordable data recovery software lets you recover emails in various formats, including EML, EMLX, PST,BX, MSG, EDB, BKL, BKS, BMC, etc. It also supports the recovery of documents, archives, audios, videos, images and other file types.

Most people like this software because it lets them preview data quality, which makes it easier to distinguish the valid and invalid files before recovery. It also allows users to find target files with ease using the filters and folder trees. Generally, Recoverit (IS) supports HFS+, HFSX, FAT 16, FAT 32, exFAT and NTFS file systems and can be installed almost on all Mac and Windows operating systems.

Why Choose Recoverit (IS) to Recover Emails on Mac and Windows

data recovery

  • Recovers most common file types from almost all devices including players, USB, hard drives, cameras, etc.
  • It provides you with the easiest and fastest recovery of files lost due to different data loss scenarios.
  • It's 100% safe since it scans your hard drives without destroying any data.
  • Lets you recover lost files in no time, and in original quality.
  • "Deep scan" greatly increases your data recovery success rate.

Step-By-Step Guide on How to Recover Emails Using Recoverit (IS) for Mac

Note: You shouldn't install the program on the same drive from where you lost your emails or other file types. This is because your lost data can be overwritten, resulting in a permanent loss. Install it in other disks instead, or get another computer, use a USB flash drive to download the software and then perform your recovery with the program is installed on the USB flash drive.

Step 1 Download and Install the Software

Go to iSkysoft official website and download Recoverit (IS) to your Mac. Then drag the downloaded installation file to "Application" and follow the installation instructions.

launch the program

Step 2 Run the Program & Select the File Types to Recover

After installing Recoverit (IS), double click its icon to launch it. You’ll then see its main interface, which includes the tabs for file types you may want to recover- "Photo", "Audio", "Video," "Email", "Document", and "Others". Choose "Email" or select the "All File Types" if you want to recover all file types and then click "Next".

scan the file

Step 3 Select the Target Location to Scan

The next window shows locations to be scanned, and they are categorized into four parts- "Devices" / "Hard Disks", "Common Location", "External Removable Device", and "I Can't Find my Partition". Select your target location and then hit the "Start" button to begin scanning for the lost files.

Start scanning

Step 4 Use the Following 2 Ways to Scan & Recover Your Emails

A. Quick Scan and Recovery

This option takes just a few seconds to complete the scanning process. When "Quick Scan" is finished, the found files are displayed in a new window.

  • On the left side of this window, you'll have access to "Files View", which displays the scanned files by file types and "Tree View" that shows the found files based on their exact locations. Click on the found item to preview your files.
  • recover data

  • The "Search and Filter" features can be found at the top of the software’s window and help you find your wanted files faster and better. Moreover, the three little icons located at the upper right lets you change the way the found files are displayed.
  • recover data

  • When you find the data that you want, mark them and click the "Recover" button located at the lower corner of the window to save them.
  • recover data

B. Deep Scan and Recovery

There are 2 ways to trigger "Deep Scan" and Recovery.

  • If the software hasn’t found any lost files with "Quick Scan" mode, a new window will pop-up, suggesting that you use "Deep Scan" mode. You just need to click the "OK" button to enter the "Deep Scan" mode.
  • recover data

  • If the "Quick Scan" doesn’t find lost files, an option "Can't find files, use Deep Scan" appears at the bottom of the software’s window. Use it to directly start the "Deep Scan" mode, which finds more lost data, but takes more time compared to "Quick Scan" mode.
  • recover data

    After the scanning process is completed, select the found data, Email or any other file types you wanted to restore and hit the "Recover" button to retrieve them.

    recover data

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