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Practical 365

How to report on suspicious emails in Office 365 – Part 1

January 25, 2019 by Tony Akers 5 Comments

Phishing Attack Email Screenshot

In part one of this two blog series, Tony Akers writes on how to improve the end-user reporting of phishing attacks and how to deploy the correct tools.

Security Outlook, phishing attacks, Report Message Add-in

Managing Outlook Cached Mode and OST File Sizes

May 30, 2018 by Nathan O'Bryan 28 Comments

How to manage Outlook cached mode settings and OST file sizes using Group Policy and registry settings to improve performance and the end user experience.

Office 365 ProPlus Cached Mode, Caching, OST Files, Outlook

You Might Want to Turn Off Outlook Sync of My Tasks in Microsoft Planner

May 8, 2018 by Paul Cunningham 2 Comments

Synchronizing Microsoft Planner tasks with Outlook is now available as iCalendar integration. But should you turn it off?

Planner Calendar, Outlook, Planner, Tasks, Todo

Solving the Email Signature Problem for Exchange Mailbox Users

March 16, 2018 by Paul Cunningham 9 Comments

Want better email signature controls in Exchange Server and Exchange Online? Add your vote to the UserVoice, and show Microsoft how much demand there is for this feature.

Blog Exchange Online, Exchange Server, Outlook, Signatures

Microsoft is Changing the Groups Behavior to Stop Senders Receiving a Copy of Their Own Message

February 27, 2017 by Paul Cunningham 3 Comments

Office 365 Groups will no longer send a copy of each message to the sender, even if the sender has subscribed to receive copies of emails sent to the Group.

Collaboration, Groups Groups, Outlook, OWA

Unexpected Authentication Prompts in Outlook

September 26, 2016 by Paul Cunningham 17 Comments

A bug in Outlook can cause unexpected authentication prompts to appear for users in on-premises Exchange 2013 and 2016 environments.

Exchange Server Exchange 2013, Exchange 2016, MAPIHttp, Outlook

Certificate Warnings in Outlook After Installing Exchange Server 2016

October 14, 2015 by Paul Cunningham 97 Comments

Outlook may display a security alert with certificate warning messages after installing Exchange Server 2016 into your environment.

Exchange Server Certificates, Exchange 2016, Outlook, SSL

Is Microsoft Outlook for iOS and Android the Best Mobile Email App for Business and Enterprise Users?

September 30, 2015 by Paul Cunningham 58 Comments

Is Microsoft Outlook for iOS and Android mobile devices ready to be considered as a user friendly and secure enterprise mobile email app?

Exchange Server Exchange 2010, Exchange 2013, Mobile, Office 365, Outlook, Outlook for iOS and Android

How to Block or Quarantine the Outlook for iOS and Android App in Exchange Server and Office 365

January 30, 2015 by Paul Cunningham 77 Comments

How to block or quarantine the Outlook for iOS and Android app from Exchange Server 2010/2013 and Office 365.

Exchange Server ActiveSync, Exchange 2010, Exchange 2013, Mobile, Office 365, Outlook, Outlook for iOS and Android

Email Fundamentals: How to Read Email Message Headers

September 10, 2014 by Paul Cunningham 25 Comments

Tips and tools for reading email message headers and using message header information to diagnose email problems.

Exchange Server Email Fundamentals, Exchange 2007, Exchange 2010, Exchange 2013, Headers, Outlook, SMTP

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