For some listings, no Save check box appears. Microsoft Excel can open these file types but can't save documents in these formats.

How to open a .csv file in Excel Opening a .csv file is as easy as opening a .txt file, and usually, you won’t have to clean up the data before doing so because the save task inserts the delimiter.

If while opening an Excel file, you receive the “ Sorry, Excel can’t open two workbooks with the same name at the same time ” error message, the solutions provided in this article will help you.

By default, you should be able to open an XLSM file without an issue (as long as you're using Excel 2007 or later), but the macros normally aren't enabled by default. You can use the "Open" option ...