I've compiled this list of websites, blogs and Twitter accounts that are essential reading within the Office 365 and Exchange Server community. Want to suggest an addition to the list? Use the contact form to let me know.
- Exchange Server Homepage – the Microsoft Exchange Server homepage.
- MS Exchange Team Blog – the official blog of the Microsoft Exchange Server Team.
- Office Blogs – the aggregated blogs for Microsoft Office (including Office 365).
MVP, Microsoft and Community Blogs
- Practical 365 – the website you're reading right now! (formerly Exchange Server Pro)
- Exchange Analyzer – Home of the Exchange Analyzer project
- Thoughts of an Idle Mind – The Godfather of Exchange MVPs Tony Redmond's blog.
- ExPTA – MVP, consultant, and author Jeff Guillet.
- Troubleshooting Exchange – a blog maintained by several Exchange MCMs.
- A Bit of Exchange and Office 365 – MVP Andrew Higginbotham's blog.
- Van Hybrid – MVP Michael Van Horenbeeck's blog.
- Stevieg.org – MVP Steve Goodman's Exchange & Office 365 Blog
- Tim McMichael – Microsoft's Tim McMichael delivers a wealth of information on Exchange HA.
- 250 Hello – Microsoft's Rhoderick Milne on Exchange and Virtualization.
- Exchange Dev – MVP Glen Scales' comprehensive blog on Exchange Web Services.
- MSExchange.org – a popular website devoted to Microsoft Exchange Server.
- No One Uses Email Anymore – MVP Andy David's blog.
- Bhargav's IT Playground – MVP and dual MCM Bhargav Shukla's blog.
- CGoosen.com – MVP Chris Goosen's blog
- SuperTekBoy – MVP Gareth Gudger
Exchange and Office 365 MVPs on Twitter
- @Practical365 – Practical 365 Twitter feed
- @PaulCunningham – P365 Founder and previous Chief Editor
- @12knocksinna – Tony Redmond
- @vanhybrid – Michael van Horenbeeck
- @essentialexch – Michael B Smith
- @expta – Jeff Guillet
- @mderooij – Michel de Rooij
- @jaapwess – Jaap Wesselius
- @petsch – Peter Schmidt
- @BrianReidC7 – Brian Reid
- @ashdrewness – Andrew Higginbotham
- @adavid6 – Andy David
- @bhargavs – Bhargav Shukla
- @chrisgoosen – Chris Goosen
- @supertekboy – Gareth Gudger
- /r/exchangeserver – Subreddit for discussing Exchange and a little bit of Office 365
- /r/office365 – Subreddit for discussing Office 365
- Microsoft Exchange 2013 Facebook group – Unofficial discussion group for Microsoft Exchange 2013. Not a support forum.
- Microsoft Tech Community – community for IT pros and Microsoft PMs to discuss Office 365, Azure, and more.