Microsoft Daylight Saving Time & Time Zone Blog

This is the blog maintained by staff at Microsoft to provide general information, announcements and provide answers to Frequently Asked Questions (FAQs) related to daylight saving time (DST) and time zone (TZ) changes around the world. * Important Notice

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  • Blog Post: MSEXTMZ – A guide to troubleshooting

    MSEXTMZ – A guide to troubleshooting Overview MSEXTMZ.EXE is the tool which Exchange Administrators can use to apply time zone changes to a calendar for one or many users. MSEXTMZ does not itself contain any logic for updating calendars, that logic is contained in an Office supplied binary called...
  • Blog Post: Quick Reference

    The following provides a quick reference for various scenarios when rebasing appointments for DST 2007 issues. The following applies to hotfix package for the Time Zone Data Update tool for Microsoft Office Outlook (For Details please refer to KB933146) Steps to reporting the changes that...