In this part, you'll find tips that deal with files — information that every Excel user should know (but many don't).
Tips and Where to Find Them
Tip 174 Understanding the New Excel File Formats 377
Tip 175 Importing a Text File into a Worksheet Range 379
Tip 176 Getting Data from a Web Page 381
Tip 177 Displaying a Workbook's Full Path 385
Tip 178 Using Document Properties 387
Tip 179 Inspecting a Workbook 389
Tip 180 Finding the Missing No to All Button When Closing Files 391
Tip 181 Getting a List of Filenames 392
Tip 182 Using Workspace Files 394
Perhaps one of the most confusing aspects of Excel is the nearly overwhelming number of file formats that it can read and write. With the introduction of Excel 2007, things got even more confusing because it has quite a few new file formats.
This tip describes the new file formats used by Excel 2007 and Excel 2010.
Excel's new file formats are
XLSX: A workbook file that doesn't contain macros
XLSM: A workbook file that contains macros
XLTX: A workbook template file that doesn't contain macros
XLTM: A workbook template file that contains macros
XLSA: An add-in file
XLSB: A binary file similar to the old XLS format but able to accommodate the new features
XLSK: A backup file
With the exception of XLSB, these are all open XML file formats, which means that other applications can read and write these types of files.
The XML files are ZIP-compressed ...