We have found 2 software records in our database eligible for .iwa to .numbers file format conversion.
iwa to numbers conversion is quiet often searched by users that struggle with recovery of iWorks Numbers spreadsheets, usually because they think recovery from .iwa files is possible.
Unfortunately, it is not, simply due the way iWorks documents work. IWA format is actually used for a package from within the .numbers file and there is no way to build a new .numbers file just from the .iwa file.
Perhaps Apple offers some kind of recovery tool for corrupted Numbers files, but it is likely that no way how to directly convert iwa to numbers exists.
Updated: January 2, 2024
IWA
Files with iwa file extension are saved in compression and encoding file format used to store Apple iWork document archives. These contain style settings for sheets, tables and other metadata.
NUMBERS
Files with numbers extension can be traditionally found in a spreadsheet format of Apple Numbers application on Mac OS X (macOS), iOS, and as a web service. Numbers spreadsheets can only be opened in the Numbers app; no 3rd party program can open or convert it to another format.