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In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.In Excel 2003 there are 256 columns. In Excel 2007 there are 16384 columns.
Passwords can be set and changed from the Tools and then Options menu when saving a file.
Yes vba written in excel 2003 is usually compatible with excel 2007 but you can never be 100% sure without testing on both platforms. There are however backwards compatability issues namely around activex controls which do not work too well in 2003 but this can be overcome by saving the file in 2003 format
You can open a 2007 Excel spreadsheet with Excel 2003 if you save the file in Excel 2007 using "Save As" and select the 2003 compatibility mode.
The differences between them are not extensive so you can work in Excel 2010 easily if you are familiar with Excel 2007. You can save your files so that Excel 2007 will recognise them.
The SUMIFS function was introduced in Excel 2007.
Yes, VLOOKUP is still in Excel 2007 and 2010.
The SUMIFS function first appeared in Excel 2007. The previous version, Excel 2003, did not have it.
Column IV is not the last column in Excel 2007, as it was in Excel 2003. In Excel 2003 the last column is IV which is column 256. In Excel 2007 the last column is XFD, which is column 16384.
Excel 2007 does use the .xlsx extension for its workbooks.
Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.Microsoft Excel 2007 is not an operating system. It is an application. The type of application it is is an electronic spreadsheet.