Technical support for Office 365 Dedicated

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Article ID: 2573289 - View products that this article applies to.

To reach technical support for Microsoft Office 365 Dedicated (O365-D), use the telephone numbers in the following table to contact Microsoft Online Services Support. 

Be aware that Office 365 Dedicated and ITAR are distinct service offerings. For support with other service offerings, including Office 365 Enterprise, Office 365 Small Business, Office 365 Education, or if you are unsure which service that you are subscribed to, please check the Support for Microsoft Office 365 page.

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BPOS-D support phone numbers

Use the number that corresponds to the country from which you are calling.

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Country Toll free Local
Denmark 80347602 38322753
Japan 0120 984630 0364042874
Switzerland 0800 001 449 0227614087
United Kingdom 0800 032 3138 0203 450 5647
United States (877) 9MOSSUP
(877) 966-7787 
(425) 706-7732

BPOS-ITAR support phone numbers

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Country Toll free Local
United States  408-352-9290


Article ID: 2573289 - Last Review: April 29, 2014 - Revision: 18.0
Applies to
  • Microsoft Business Productivity Online Dedicated
  • Microsoft Business Productivity Online Suite Federal
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