Excel is a spreadsheet application. Linux is an operating system kernel. No meaningful comparison can be made; it's like comparing grapefruit and cars.
Microsoft Excel is a worksheet. Microsoft Word is a word processor.
Programs->Microsoft Office->Microsoft Excel
No. Excel is a spreadsheet application. Powerpoint is a presentation program that is part of Microsoft Office.
Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.Calc is the equivalent program in Open Office to Excel in Microsoft Office. Another full office suite is LibreOffice.
They are the same thing, excel is Microsoft's spreadsheet programme.
I believe the only Microsoft program used to create spreadsheets is Microsoft Excel.
Microsoft Excel.
There is no Microsoft application titled "Proficient." The only reference I can think of that relates to the phrase "Microsoft Proficient," is I have seen it occasionally in job ads to indicate that the applicant is expected to have a reasonable proficiency level with Microsoft Office applications (usually referring to Word, Excel, PowerPoint, and Outlook).
Microsoft Office
Yes it does.
MS Excel is under Microsoft Office
You have to buy it. Go to the Microsoft website and download it from there.