These three packages are included as parts of office suites from Microsoft, IBM, and Corel.
Productivity sofware usually referes to a suite of applications. Two well known "Office" suites are Microsoft Office and OpenOffice.org. Both of these contain word processors, spreadsheet, and graphics applications as well as others.
Open Office has a free software suite including word processor, spreadsheet, presentations etc.They are compatible with Microsoft and most other office suites.
Some of the most popular database design software suites include Microsoft Office, Microsoft Office Access, and Microsoft Works. Open Office is also a popular choice.
Excel will create spreadsheets and Word will create documents. Both come as part of the Microsoft Office suite or programs. There are other office suites, such as Open Office, which have corresponding applications to do these tasks.
Software that helps get work done such as documents and spreadsheets. Examples are Microsoft Office and OpenOffice.
OpenOffice and LibreOffice are both full office suites used in Linux distributions.
Microsoft Office and Open Office are two popular office suites. They contain programs for word processing, spreadsheets, databases and other applications.
There is no such software. MS Office and Open Office are two entirely different suites of programs - written and developed by two entirely separate companies.
Examples of office suites include Microsoft Office, which features applications like Word, Excel, and PowerPoint; Google Workspace, offering Docs, Sheets, and Slides; and LibreOffice, which includes Writer, Calc, and Impress. These software packages typically provide tools for word processing, spreadsheet management, and presentation creation, among other productivity functions.
Lotus Office, also known as Lotus SmartSuite, is an integrated office suite developed by Lotus Development Corporation, which was later acquired by IBM. It includes a variety of productivity applications such as word processing, spreadsheet, database management, and presentation software. Although it was popular in the 1990s, it has largely been overshadowed by Microsoft Office and other modern office suites. Lotus Office is known for its focus on collaboration and workflow management features.
You don't "need" it, there are plenty of free software suites that do the same as office, but microsoft office is the standard these days, and most documents are made to work with it.
The top academic software that teachers buy are foreign language and office suites. These types of software help children learn computers and foreign languages.