If you don't save it you will lose all your work.
to ensure that the data does not get lost nor deleted\
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If you don't save it you will lose all your work.
A spreadsheet that you create and save with Excel is an example of a file.
Yes you can. You can use the Save As to do this. It gives you lots of different file types that you can save your spreadsheet as.
you should save it
You save it regularly. If you are doing a lot of work on it, it is important to save it often, as if your computer crashes you will lose a lot of work. So once you have a bit done, save it and keep saving it every so often when you are finished making changes.
Save As
Use Save As instead of Save to save a spreadsheet as an HTML table. While the user will be able to view the spreadsheet in a browser, they will not be able to manipulate the contents.
SAVE YOUR WORK FREQUENTLY
LOTS! if you use excel properly, it will save you hours of calculating by hand...
Electronic spread sheets can easily be modified and/or deleted. A hard copy spreadsheet not so. But if you regularly save your work as you are using the spreadsheet you should not have any problems. There is a way to setup Excel to auto save every few minutes.
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When you come to save your spreadsheet - use 'Save as' instead of save, and select the correct excel version from the drop-down menu.