Business and personal productivity software: Any application or program that enables one to produce or create, among others, graphs, databases, documents, presentations, audio or video clips, and worksheets.
Email: Email is an important method of business communication that is fast, cheap, accessible and easily replicated. Example - Outlook, Gmail
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Text based documents: It is used invoices, creating reports, memos, business plans, process documents. Example- Word, chat, forums
Database: It is used in eCommerce, inventory tracking, customer relationship management applications and many more