Microsoft Outlook 2003 and Microsoft Outlook 2007 have a larger overall size limit 20 gigabytes (GB) for the personal folders (.pst) file than the .pst files that are in the earlier versions of Microsoft Outlook such as Microsoft Outlook 2000 & XP. In Outlook 2002 and earlier, the .pst files are in the American National Standards Institute (ANSI) format, and the overall size has a limit of 2 gigabytes (GB) only. Unicode PST file has the overall size limit of 20 GB. Just to avoid corruption due to exceeding the size limit of 2 GB imposed on ANSI PST file, you need to convert your ANSI PST file to Unicode PST file to enhance the size limit to 20 GB. Convert Outlook 2000 to Outlook 2003 using PST Conversion Tool. Suppose you have created your PST file in Microsoft Outlook 2003 & 2007 and you want to open it in Outlook 2002 and in its earlier version. Outlook 2000/2002 will not allow you to open the PST file and results in error as "Properties for this information service must be defined prior to use". To open the Unicode PST files in Outlook 2000/2002, you need to downgrade or convert the Unicode PST to ANSI PST file using PSTUPGRADE. Do not use PST Upgrade Tool to convert Converts oversized 2GB ANSI PSTs that Outlook cannot open to Unicode PST file. While converting Outlook 2000 to Outlook 2003 you must have Microsoft Outlook 2003 & 2007 installed with a valid configured profile. Open your Outlook 2000 PST files in Outlook 2003 with Outlook 2000 to Outlook 2003 converter Software. Software runs smoothly in Windows XP/2000/2003/Vista Operating System.

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Convert Outlook 2003 to Outlook 2000
PST Upgrade is a utility for converting Outlook 2003 to Outlook 2000. PST File Conversion software converts Unicode PST file to ANSI PST file. Open your Unicode PST file with error "Properties for this information service must be defined prior to... more info download

SysTools PSTUPGRADE
Convert ANSI PST to Unicode PST with PST Upgrade Tool. Software efficiently performs conversion of ANSI PST to Unicode PST and Conversion of Unicode PST to ANSI PST. Software can be used as both PST Upgrade tool & PST Degrade Tool. more info download

PST Conversion Tool
Powerful PST Conversion Tool to convert ANSI PST file having limit of 2 GB to Unicode PST file having higher limit of 20 GB. PST Conversion Tool upgrades PST file Outlook 2003/2007 PST file and degrades PST file to Outlook 2000/2002/XP file format. more info download

Convert ANSI PST to Unicode PST
Convert ANSI PST to Unicode PST with PST Upgrade Tool. PST Conversion software efficiently performs conversion of MS Outlook 2000, 2002 & XP to Outlook 2003 & 2007. PST Upgrader tool to upgrade ANSI PST to Unicode PST. more info download

vCard Magic
Move Outlook Contacts PST File to vCard VCF File and Outlook Contacts PST File to vCard VCF using vCard Magic Tool. Software successfully import MS Outlook contacts to .vcf file and export .vcf file to MS Outlook effciently. more info download

WAB Converter
Transfer Windows Address Book contacts to Outlook contacts with WAB Converter software. Convert Outlook Express address book .wab file information to MS Outlook .pst file. Simple conversion of your Outlook Express WAB file to MS Outlook PST file. more info download

Notes to Outlook Conversion
Lotus Notes to Outlook conversion & Domino server NSF mailbox migration tool to export Domino server mailboxes to Outlook / Exchange to quickly convert NSF files of Domino Server & Notes client. Convert Domino Server Mailboxes to Exchange. more info download

NSF to PST Conversion Tool
NSF to PST Conversion Tool is the advance conversion software to convert nsf file to pst file when server crashed & deleting a mailbox. Convert NSF to PST Conversion software easily & quickly converts nsf file to MS Outlook PST format. more info download

OST to PST Conversion
Convert ost to pst with result oriented ost to pst conversion software which converts emails of .ost file to .pst file. Software supports MS Exchange 5.0, 5.5, 2000, 2003 and 2007. Save the converted emails in .PST, EML and MSG file formats. more info download

OST 2 PST Converter
OST to PST Converter software converts .ost file to .pst file. Converted .OST file can be saved in .PST, .EML and .MSG file format and can be accessed with MS Outlook and Outlook Express. more info download