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How it works

How OST Converter works

Open an orphaned or inaccessible OST file and convert it to PST, EML, MSG, PDF and other formats in eight steps. No Exchange connection or Outlook profile is needed.

8 steps Windows desktop software Files stay on your computer

Before You Start

  • Download and install the free demo. It previews all items and converts 10 per folder.
  • You do not need the original Exchange account, Outlook profile or an Outlook installation.
  • Pick an output folder on a drive with enough free space for the converted files.

Step-by-Step Walkthrough

8 steps from opening the program to the finished output. Click any screenshot to see it full size.

1 Step 1

Open OST Converter

Start Magic Soft OST Converter. The left panel has an OST File Path box and three buttons: Browse OST File, Load Analyze and Export. The status bar reads "Ready - Select a OST file to begin".

OST Converter step 1: open ost converter
Screenshot of step 1. Click to enlarge.
2 Step 2

Choose the OST file

Click Browse OST File and select the OST file. It can come from an old computer, a deleted Exchange account or a removed Outlook profile. The path appears in the OST File Path box.

OST Converter step 2: choose the ost file
Screenshot of step 2. Click to enlarge.
3 Step 3

Load and analyze the file

Click Load Analyze. The program reads the OST and rebuilds the mailbox folder tree. Larger files take longer to load.

OST Converter step 3: load and analyze the file
Screenshot of step 3. Click to enlarge.
4 Step 4

Open a folder

Folders appear in the middle pane with their item counts. Click one to list its messages by subject, sender and received date.

OST Converter step 4: open a folder
Screenshot of step 4. Click to enlarge.
5 Step 5

Preview the items

Click a message to read it in the Message Preview pane, including the sender, recipients and attachment names. Check that the mail you need is there before you export.

OST Converter step 5: preview the items
Screenshot of step 5. Click to enlarge.
6 Step 6

Click Export

Click Export in the left panel to open the Export Data window.

OST Converter step 6: click export
Screenshot of step 6. Click to enlarge.
7 Step 7

Pick a format and destination

Choose the output format, for example Outlook PST, from the Format list. Set the destination folder with Browse and click Start Export. A progress bar tracks the items as they are written.

OST Converter step 7: pick a format and destination
Screenshot of step 7. Click to enlarge.
8 Step 8

Open the converted files

When the export is complete, click OK and open the destination folder. A PST created here can be opened or imported in Outlook.

OST Converter step 8: open the converted files
Screenshot of step 8. Click to enlarge.

Common Questions

Do I need the Exchange server or the original Outlook profile?

No. OST Converter opens orphaned and inaccessible OST files on its own, without an Exchange connection or Outlook profile.

Can it open damaged or password-protected OST files?

Yes. The converter reads orphaned, damaged and password-protected OST files.

What does the free demo convert?

The demo previews every item in the file and converts 10 items per folder. A license removes the limit.

Which Windows versions are supported?

Windows 11, 10, 8.1, 8 and 7 (32 and 64-bit).

How do I unlock the full version?

Buy a license and enter the license key from your purchase email in the software.

Try it on your own OST file

Download the free demo, load your file and check the preview before you buy a license.

Stuck on a step? Email [email protected] or read the installation guide.

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At Service Since 2015
10+ Years Experience
🌍
Trusted by Millions
Worldwide Customers
🔒
SSL Secure
256-bit Encryption
🛡️
McAfee SECURE
Site Security
🛡
DMCA Protection
Protected Content
✔
D-U-N-S Verify
Business Verified
⭐
BBB Verify
Trusted Business