Collabra Main Phone (707 780-1561
Collabra Fax (707) 978-7840
Microsoft Office 365 US Technical support hours:
English: 24 hours a day, 7 days a week.
Administrators Only
Microsoft Phone number:
1 800 865 9408
Microsoft Billing support hours:
English: Monday through Friday, 9 AM-5 PM
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