From Adobe Acrobat to free online editors and built-in tools, here’s how to merge multiple PDFs into one document.

This week's Microsoft news had a lot of everything: gamers, regular users, insiders, and developers. There was bad news and ...

Vista completely revamped the old, resource-heavy Indexing Service that earlier versions of Windows used to locate files. The Vista indexing engine, which is still in use today, can scan file names, ...

Here's how Excel processes that request. First, the SORT function arranges the entire table by sales amount in descending ...