How It Works

Guide to Convert Offline OST to PST, PDF, Office 365, and various other formats

Email converter for Outlook OST file offers to recover the OST file and convert them into PST files easily. Additionally, you can convert OST to PST, PDF, Office 365, MBOX, EMLX, EML, HTML, DOC, PNG, etc. The tool has a user-friendly GUI for novice users. It exports OST emails, contacts, calendars, meetings, notes, journals, etc. to other file formats and email clients like Gmail, Yahoo, Thunderbird, AOL, Live Exchange, etc.

Step 1: Visit the official website of DRS Softech and download OST to PST Converter Tool. Install the application and run it as administrator.

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Step 2: Now, you see two options: Select Folder and Single File/Multiple Files. You can add multiple OST files at once. The Select Folder option allows you to add an entire folder of OST files.

Step 3: After that, click on the Select Files or Select Folders option to add the desired OST file.

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Step 4: From the file explorer, locate the OST file. Select it, and press the Open button.

Step 5: Now, you see the mailbox preview of the selected OST file in a tree structure. You can also check the emails by double-clicking on any mailbox folder.

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Step 6: Tick the items you want to preview and press the Next button.

Step 7: Now, you will see the main screen of the tool where you can select saving option as PST from the drop-down menu.

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Step 8: Here you can select the options as per your requirement.

Step 9: Now, click on the Date Filter option to convert emails for a specific time frame. Also, provide a custom name to save the resultant file.

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Step 10: After that, click on the Path to Save option to provide the saving path for the resultant file and click on the Next to begin the conversion process.

Step 11: Once the conversion process gets completed, you will get a popup message. Click on Ok. You can also click on the download report to download the report summary or begin the conversion process again by clicking on Convert Again option.

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Step 7: Now, opt for the PDF option from the drop-down menu to save OST files as PDF.

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Step 8: Here, choose the additional options as highlighted in the screen as per your requirement.

Step 9: After that, click on the Date Filter option to select for a specific date to filter mails. Also provide Naming Convention option to give a specified date sequence to save the resultant file. Finally, click on Custom Folder Name to specify a name for the output file.

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Step 10: Now, Click on Patch to Save option to select the destination path to save the output file and click on Next.

Step 11: Finally, you have successfully converted your OST files to PDF format. Click OK to finish the process.

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Step 7: Now, Email Client radio button and opt Office 365 from the drop-down menu.

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Step 8: Choose Modern Authentication and provide a valid Office 365 User Id (Email) and click on Sign in. It will redirect you to the official Microsoft website.

Step 9: Again, provide the email address here and click on Next.

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Step 10: Enter a password here and click on Sign In button to proceed further.

Step 11: Once you provide valid credentials, you will get an Authentication successful message. Now go back to the DRS Softech OST to PST Converter tool to perform further steps.

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Step 12: Here, you can choose any required options as per your need.

Step 13: Click on Date Filter to set a date to import mails for a specific time frame. Also, provide a custom folder name to save the mails in the given folder name. And click on Convert to begin the migration process.

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Step 14: Wait for the conversion process until it gets done. This is how, you have successfully imported your OST files into Office 365 account.

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