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PST Upgrade and Downgrade Software

PST Upgrade and Downgrade tool is devised and developed to perform two-way powerful PST file conversions by converting ANSI PST to Unicode PST and Unicode PST to ANSI PST. As we all know, 2GB limit applies to ANSI PST format if you are still using PST files which were created in Outlook 2002/XP or previous and UNICODE PST format creation in Outlook 2003, 2007 and above. A UNICODE PST file can grow as large as 20GB in Outlook 2007 and 50GB in Outlook 2010 and latest versions. The extraordinary efficiency of PST Upgrade & Downgrade is enhanced by an advanced algorithm that Upgrade PST files and Downgrade PST files. Upgrade PST means to convert ANSI PST files to UNICODE PST files which raises the capacity of PST file(s) by upgrading Outlook ANSI PST file to Unicode PST file and Downgrade PST means to convert UNICODE PST to ANSI PST. Subsequently, this software helps users to downgrade Outlook Unicode PST file to ANSI PST file for smooth email functioning by offering reliable PST file management file solution for all lower or higher versions of Microsoft Outlook. Know your Outlook PST file Format ANSI or UNICODE.

Key Features at a glance
  • Upgrade Outlook by converting ANSI PST files to Unicode.
  • Downgrade Outlook by converting UNICODE PST to ANSI.
  • Execute batch conversion of Outlook PST files instantly.
  • Log file feature to creates log details of PST conversion process in a separate text file.
  • Keeps all the Meta-data and other information of selected PST files intact.
  • Supports conversion of password-encrypted PST files.
  • Saves output PST files at user specific location.
  • Simplified tool with interactive graphical interface for novice users.
  • Mandatory MS Outlook installation with versions (2000/2003/2007/2010/2013).

Salient Features of PST Upgrade & Downgrade Tool

Dual PST upgrade and PST Downgrade
Dual Swift Conversion

The PST Upgrade and Downgrade software effectively convert ANSI PST files to Unicode PST files and vice-versa in just no time. This feature is beneficial for users and administrators to maintain backward and forward compatibility.

Multiple support for Batch Conversion
Multiple support for Batch Conversion

The software is enhanced with advanced conversion algorithm that supports batch operations to convert PST files in multiple batches making it more productive suite giving desired output.

Boosts Performance of MS Outlook
Boosts Performance of MS Outlook

PST Upgrade & Downgrade conversion process enhances effective PST file management and subsequently boosts the performance of MS Outlook.

Optimizes Data Management
Optimizes Data Management

This software offers full-fledged features to optimize data management in PST files by enabling in-built comparison to verify authenticity of the information.

Log File Creation
Log File Creation

Supports creation of Log files for keeping a record of the entire PST conversion process log files can be saved at user-defined location to check conversion status.

Simplified Intuitive interface
Simplified Intuitive interface

The software interface is interactive and easy to use for non-technical users as it requires no prior technical knowledge fir novice and professionals.

support and Compatibility
Support and Compatibility

This software conversion process results in Output PST files that is compatible across various MS outlook versions, which is suitable for administrators as it supports all versions of MS Outlook 2002, 2003, 2007, 2010 and 2013 (32-bit and 64-bit).

PST Password Pool
PST Password Pool

PST Upgrade and PST Downgrade software provides a powerful feature namely PST Password Pool to perform conversion of PST files which are secured and encrypted with password.

Screenshots for Upgrade & Downgrade PST Files

Steps showing how to convert ANSI to Unicode Outlook PST files with the help of PST Upgrade Software.

Frequently Asked Questions

Q.What is ANSI and Unicode versions associated with PST file?

Ans.MS Outlook stores its data file in PST personal storage table which acts as the personal storage manager. In earlier versions of Outlook from 97 to Outlook 2002, PST file is stored in ANSI format and later versions of Outlook from 2003 to 2010 and 2013 have Unicode PST format. ANSI format of PST is limited to 2GB size storage and affect the performance of Outlook when this limit is crossed often posing PST file corruption issues. Unicode version of file format can store up to 20 GB and 50 GB give flawless performance with 2007, 2010, 2013 and 2016 versions of Outlook.

Q. How to convert Outlook PST file from an old file format to a new file format?

Ans. With few steps you can implement conversion of Outlook PST file from ANSI to Unicode

  • You can click on New Items > Go to More Items and click Outlook Data File in MS Outlook 2010,.
  • For MS Outlook 2007, you can click on File tab > New and click Outlook Data File.
  • You can keep the default file name and location or change it as per requirement.
  • Now you can switch to Folder List in the Navigation pane or simply press Ctrl+6. This will easly copy Calendar, Contacts, Journal Tasks and Notes folders.
  • With Drag & Drop feature  you can move all the folders from ANSI PST file to the newly created Unicode PST file.

Q.Can PST Upgrade and Downgrade tool work on Windows 10?

Ans. PST Upgrade and Downgrade is fully compatible with all major version of Operating system like Windows 10, Windows 8.1, 8, Windows 7, Windows Vista, Windows XP, Windows 2008, 2003, 2000, NT and 98.

Q. How can I purchase the software online and is it secured to buy it online?

Ans. You can purchase the software by visiting our dedicated official website with an active link of download. On clicking that lick you will be directed towards the secured Payment gateway webpage that contains simplified graphical interface for purchasing the product.

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Online Demo for PST Upgrade and Downgrade

PST Upgrade and PST Downgrade Trial Version

Users can download demo version of PST Upgrade & Downgrade available for free. Free download to explore all the features of this software performance as demo version comes with all features but limited with a restriction to save the recovered files. However, the demo enables you to see preview of recovered file. In order to save the recovered files, you can purchase the fully licensed version of this software for optimum results. 

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Pricing Table for Different License

Single User License


  • Single Machine Installation
  • Lifetime Updates
  • 24/7 Support
  • 30 Days Moneyback Policy
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Administrator License


  • Multiple Machine Installation
  • Lifetime Updates
  • 24/7 Support
  • 30 Days Moneyback Policy
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Technician License


  • Multiple Machine Installation
  • Lifetime Updates
  • 24/7 Support
  • 30 Days Moneyback Policy
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