Click File>Save Document As>Microsoft
Excel Document or the Save button on the main toolbar. Click the arrow near the
Save button and choose a saving format from the list. If
there is no suitable format in the list, click Save to other
formats…, and, in the dialog box that opens, select the desired
format.
Tip. Additional saving options are available in the
Options dialog box: select Tools>Options…,
click the Save tab, and then click the XLS/XLSX
tab.
The following options are available:
Ignore text outside tables Saves only the tables and
ignores the rest.
Convert numeric values to numbers
Converts numbers into the "Numbers" format in the XLS file.
Microsoft Excel may perform arithmetical operations on cells of
this format.
Keep headers and footers
Preserves headers and footers in the output document.