Online study is making a man update then and there
It depends what is the task and scenario.
- For Presentation PowerPoint is best.
- For Writing a document, article or report Microsoft Word is best
- Oral Presentations is best when you don't have electronic media like computers.
- Reports are good when you want to discuss some thing in details. Like starting a new project and convincing the investor that its a good project to invest in.
- Flyers Or Brochures are good for marketing and when want to enhance your brand image.