Microsoft Excel is a proprietary commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. wikipedia.org

Computer literacy is defined as the knowledge and ability to utilize computers and related technology efficiently, with a range of skills covering levels from elementary use to programming and advanced problem solving. wikipedia.org

A data entry clerk, sometimes called a typist, is a member of staff employed to type data into a database using a keyboard. The keyboards used can often have specialist keys and multiple colours to help them in the task and speed up the work. wikipedia.org

Time management is the act or process of planning and exercising conscious control over the amount of time spent on specific activities, especially to increase effectiveness, efficiency or productivity. wikipedia.org

Zendesk provides web-based help desk software with a support ticket system and a self-service customer support platform. wikipedia.org

The culture of the United States is primarily Western, but is influenced by Native American, African, Asian, Polynesian, and Latin American cultures. wikipedia.org

Constant Contact, Inc. is an online marketing tool offering email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools, primarily to small businesses, nonprofit organizations, and membership associations. wikipedia.org

Phone technical support refers to a range of services by which enterprises provide assistance to users of technology products such as mobile phones, televisions, computers, software products or other electronic or mechanical goods via telephone.

English is a West Germanic language that was first spoken in early medieval England and is now a global lingua franca. wikipedia.org

Office administration is a set of day-to-day activities related to financial planning, billing and recordkeeping, personnel, and physical distribution and logistics, within an organization. wikipedia.org

PDF conversion is the process of converting PDF documents, an ubiquitous format for digital documents, to other formats, such as Microsoft Office formats (Word, Excel, Powerpoint), HTML, and computer graphics formats (GIF, JPEG, PNG).

Customer support is a range of customer services to assist customers in making cost effective and correct use of a product. It includes assistance in planning, installation, training, trouble shooting, maintenance, upgrading, and disposal of a product. wikipedia.org

Customer service is the provision of service to customers before, during and after a purchase. wikipedia.org