This post originally appeared on the American Express OPEN Forum , where Mashable regularly contributes articles about leveraging social media and technology in small business.

If you fancy yourself a PC power user, you know how valuable it is to keep your hands on the keyboard. Constantly switching between typing and mousing can really slow you down when you're powering through that TPS report.

Lucky for you, the wizards at Microsoft have built some time-saving (if little-known) keyboard shortcuts into their operating systems over the years, with some really handy ones gracing Windows 7 and most modern web browsers.

If you're aiming to speed up your workflow and impress your colleagues at the same time, check out these little gems.

15 Keyboard Shortcuts to Enhance Your PC Productivity

Which time-saving macros do you use at your desk? Share them with the class in the comments below.

Keyboard images courtesy of chromatix d-sign.



Tips via Reddit.