WLH meaning in Messaging ?

Answer: What is Windows Live Hotmail mean?

Outlook.com is a personal information manager web app from Microsoft consisting of webmail, calendaring, contacts, and tasks services. Founded in 1996 by Sabeer Bhatia and Jack Smith as Hotmail, it was acquired by Microsoft in 1997 for an estimated $400 million and relaunched as MSN Hotmail, later rebranded to Windows Live Hotmail as part of the Windows Live suite of products. Microsoft phased out Hotmail in October 2011, relaunching the service as Outlook.com in 2012.

reference

Full Form	Category
Warren Lecture Hall	Academic & Science
World Lecture Hall	Academic & Science
William L. Harkness Hall	Academic & Science
White apple LeafHopper	Academic & Science
Walaha	Airport Code
Willamette Lutheran Foundation	Community
Whole Life Healing	Community
World Leisure Holidays	General
Wigan and Leigh Hospice	General
What Links Here	General
World Loves Hokkaido	General
William Lyon Hm	General
Washington Lee High	General
VALHA	Indian Railway Station
Who Lives Here?!	Internet
World Lighthouse	Measurement Unit
Windows Live Hotmail	Messaging