Format text as MAC Address

=TEXTJOIN(":", 1, MID(B2, SEQUENCE(6,1,1,2), 2))

Insert network location in email (New Outlook)

Insert link and in the URL enter as below: https://outlook.office.com/local/path/file:\\ServerName\SharedPath

Count files in a folder from Command Prompt / PowerShell

• Command prompt 
• dir *.* /a-d | find "File(s)"
• dir *.* /b /a-d | find /c /v ""
• PowerShell
• (Get-ChildItem C:\csv -filter "*.*").Count
• (Get-ChildItem C:\csv -recurse -filter "*.*").Count recursive search
• (Get-ChildItem C:\csv -filter "*.*").Count
• [System.IO.Directory]::GetFiles("c:\Path").Count

Hide Edge opened tabs when pressing Alt-TAB

Go to:

• Settings
• System
• Multitasking
• Alt + TAB

And select Open only windows

Disable "Restore session" in Internet Explorer

If you get the following error message Your last browsing session closed unexpectedly and you want to disable it, then go to:

• Tools \ Internet Options
• Advanced
• Browsing

and uncheck Enable automatic crash recovery*

Store location of the opened tabs from Chrome browser / Restore opened tabs from Chrome

Go the the following location:
%userprofile%\AppData\Local\Google\Chrome\User Data\Default\Sessions

To restore your opened tabs to another PC or user copy the files in this locatation to your new device:
Session_*.* and Tabs_*.*

Fix "Outlook missing or corrupt outlprnt file" error

Open the following path %appdata%\Microsoft\Outlook and delete the outlprnt file