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Frees a workbook from memory.

Component Version macOS Windows Linux Server iOS SDK
XL 3.5 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "XL.Book.Release"; BookRef )   More


Parameter Description Example
BookRef The reference to the Workbook you want to release. $ref


Returns OK on success.


Frees a workbook from memory.
You need to call this method when you are done with a workbook in order to prevent out of memory situations.

See also

Release notes

Example Databases

Blog Entries

This function checks for a license.

Created 18th August 2014, last changed 19th April 2016

XL.Book.PictureCount - XL.Book.ReleaseAll