#What is the extension file name of excel file?
The extension file name of excel file is xls/xlsx.
1. Format.xls: Excel97-2003 version, can have macros;
2. Format.xlsx: Excel2007-2016 version default file format, no macros;
Extended information:
1. The file extension is a necessary component of a file.
A file can have an extension or not. For open file operations, files without extensions need to select a program to open them. Files with extensions will automatically use the set program (if any) to try to open. The file extension is a component of a regular file, but a The file does not necessarily need an extension.
2. The file extension indicates what type of file it is.
The file extension can be set manually. A file with a TXT extension may be a picture. Similarly, a file with an MP3 extension may still be a video.
Recommended tutorial: "excel tutorial"
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