Get a Report of All Inactive Office 365 Mailbox Users

This PowerShell script will give you a report of all of your Office 365 mailbox users who haven’t logged in for any given number of days. Once you’ve saved the script to a .ps1 file on your workstation or server, you can run it with just the script name or you can include the number of days inactive as a command-line option. the command-line option is especially […]

Read Me Leave comment

Excel Files No Longer Open from Windows Explorer

If you… 1. Have Office 2007 or 2010 installed on your computer and 2. Then install Office 365 and 3. Then uninstall the old version of Office… You will probably discover that when you double-click on an Excel workbook (.xlsx, etc.) from within Windows Explorer, that Excel opens, but the spreadsheet doesn’t. You have to open the workbook from within the Excel application. Fortunately, there’s […]

Read Me Leave comment

Microsoft Domains to Trust in Your Browser Script-blocker

If you’re using some kind of script blocker in your browser–and you should be–some websites can be very difficult to configure properly. Every script blocker I’ve used will show you a list of hosts and/or domains from which the current website is attempting to load scripts. But sometimes, even though you’ve allowed every script that shows up in the list, it still won’t work unless you […]

Read Me Leave comment

Creating and Sharing a Personal Calendar in Exchange

Many times Exchange users want to share a personal calendar with coworkers without jumping through the hoops of requesting a new shared or resource mailbox. I’m going to tell you how to do that without setting delegates or giving away more information than you want. (These instructions are for Outlook 2016, but they should be pretty close for 2013 & 2010.)   1. Switch Outlook […]

Read Me Leave comment

NSFW Gear – Flight 001 4-in-1 Power Adapter

Like Information Technology, electricity generation and deliver is a globe-spanning industry. Everywhere you go as an IT pro, you’ll need to plug your gear in to keep it charged. Unfortunately, the adapters that came with your phone and computer probably won’t work in most other countries. Flight 001 4-in-1 Adapter to the rescue! This XP-esque* little gadget will fit the electrical outlets of 150 different […]

Read Me Leave comment

‘404 – Page Not Found’ Error When Commenting on a WordPress Site

The comment function broke on one of the WordPress sites I manage. When submitting a new comment, users would receive a “404 Page not found” error. My first thought was that a theme or security plugin update was the cause, so I switched to the basic 2015 theme and reviewed all of the site security settings. My second thought was that something happened to either […]

Read Me Leave comment

A Primer on SPF Records

Yesterday there were a million and one web pages on Sender Policy Framework. Today there are a million and two. When I was researching SPF record syntax for some changes in my email routing, I couldn’t find a single page that gave all the information I needed. I hope this one will save you some time. Sender Policy Framework is a quick-and-dirty method for using […]

Read Me Leave comment