Microsoft 365
56Microsoft 365 (formerly Office 365) includes Exchange Online business email and professional email hosting on your domain, plus Outlook, Teams, OneDrive, and Office apps. Hosted email brings shared mailboxes, calendars, admin security controls, and enterprise-grade spam filtering - the primary Microsoft alternative to Google Workspace for business email.
Reviews & company details
Microsoft 365 is an email hosting provider based in Redmond, USA, founded in 2011. As of 2026 it holds an HRI of 56/100, a developing signal, ranked independently by HostList with no paid placements.
Microsoft 365 is an email hosting provider based in Redmond, USA, founded in 2011. As of 2026 it holds an HRI of 56/100, a developing signal, ranked independently by HostList with no paid placements.
Before You Sign Up
Microsoft 365 (formerly Office 365) includes Exchange Online business email and professional email hosting on your domain, plus Outlook, Teams, OneDrive, and Office apps. Hosted email brings shared mailboxes, calendars, admin security controls, and enterprise-grade spam filtering - the primary Microsoft alternative to Google Workspace for business email.
What Microsoft 365 Discloses
Facts the company has published and HostList has verified. Blanks are informative: a question a host has not answered cannot be answered on its behalf. Completeness measures how much this host discloses, not how good it is.
1 of 30 applicable facts disclosed. Hosts control this section. HostList verifies every entry and never charges for it.
What Customers Say About Microsoft 365
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Where Microsoft 365 Ranks
Live positions across the HostList Best rankings, by HRI™. Positions are earned, never bought.
Frequently Asked Questions About Microsoft 365
What is Microsoft 365's HRI?
Microsoft 365 has a HRI™ of 56/100 on HostList.io. HRI is calculated algorithmically from trust signals, profile completeness, data freshness, and performance data. Providers can improve their score by claiming their profile, keeping data current, and building verified reviews. No provider can pay to increase their score.
What type of provider is Microsoft 365?
Microsoft 365 is an email hosting provider listed in HostList's Email Hosting directory. Email hosting runs professional mailboxes on a custom domain separately from website hosting. Browse the independent ranking at hostlist.io/best/email-hosting.
Where is Microsoft 365 based?
Microsoft 365 is headquartered in Redmond, USA. Email hosting providers are ranked at hostlist.io/best/email-hosting.
How does Microsoft 365 compare to other email hosting providers?
Microsoft 365 is ranked against other email hosting providers by HRI™, using trust, completeness, freshness, and performance signals. Its current HRI is 56/100. See the full provider list at hostlist.io/best/email-hosting.
How Microsoft 365's Score Is Calculated
HRI is calculated algorithmically based on publicly available data. It considers trust signals (reviews, ratings), data completeness, freshness of information, and technical performance. No host can pay to improve their score.
Full methodology →