Warning propmt on downloaded Excel: File format and extension do not match. The file could be corrupted or unsafe
47157
I can't seem to open an .xls format file from Salesforce printable view in Mac Numbers
39339
How do I resolve "%1 is not a valid Win32 application"?
93758
Why does excel always say "..may contain features that are not compatible with CSV" when saving a CSV file?
70759
Excel destroying special character when saved as CSV
92921
Filenames too long and Windows can't open the files
18291
Is there any way to restore/recover the previous version of a file that was saved over?
29442
Cannot import Excel (xls or xlsx) files which have non-ASCII characters in the name
57219
JSP generating Excel spreadsheet (XLS) to download
137892
"Error 4: xxxxx.dat: not recognized as a supported file format."
61065
File extensions related to LaTeX, etc
146108
Is there a difference between the original file and a hard link to it?
42144
How do I load external images into Excel?
144677
How to prevent long file name error copying from an external drive?
108724
Warning: corrupt .drectve at end of def file
141038
ISO 8859-1 filename not decoding
42232
Can I open Microsoft Word and Excel files?
53992
How can I know the file size of the downloaded file before downloading it?