is an option for notebooks that specifies whether the suffix ".nb" is automatically appended to a notebook’s name when it is first saved.


IncludeFileExtension
is an option for notebooks that specifies whether the suffix ".nb" is automatically appended to a notebook’s name when it is first saved.
See Also
Menu Items: Save As
History
Introduced in 1999 (4.0)
Text
Wolfram Research (1999), IncludeFileExtension, Wolfram Language function, https://reference.wolfram.com/language/ref/IncludeFileExtension.html.
CMS
Wolfram Language. 1999. "IncludeFileExtension." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/IncludeFileExtension.html.
APA
Wolfram Language. (1999). IncludeFileExtension. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/IncludeFileExtension.html
BibTeX
@misc{reference.wolfram_2025_includefileextension, author="Wolfram Research", title="{IncludeFileExtension}", year="1999", howpublished="\url{https://reference.wolfram.com/language/ref/IncludeFileExtension.html}", note=[Accessed: 18-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_includefileextension, organization={Wolfram Research}, title={IncludeFileExtension}, year={1999}, url={https://reference.wolfram.com/language/ref/IncludeFileExtension.html}, note=[Accessed: 18-August-2025]}