OfficeTabs: add tabs to Excel, PowerPoint, and Word

OfficeTabs adds tabs to MS Office applications Excel, PowerPoint, and Word, allowing for tabbed navigation across several open documents in the manner familiarized by Firefox or Chrome, etc (see screenshot above) The free version allows for personal, non commercial use, and provides a number of options such as the ability to place tabs on top, [...]

what is software what is the best antivirus software