You can simply resave XLSX spreadsheets to XLMX format to enable the macros. This can be easily done via the Save as.. function in Microsoft Excel.
Home > Search converters: xlsx to xlmx
Conversion of xlsx file format to xlmx file format beta
Search for xlsx to xlmx converter or software able to handle these file types.
Convert Microsoft Excel Open XML workbook and spreadsheet to Microsoft Excel macro-enabled spreadsheet file.
We have found 2 software records in our database eligible for .xlsx to .xlmx file format conversion.
Microsoft Windows software 
- convert xlsx to xlmx on Windows
Microsoft Excel
A popular spreadsheet application distributed with Microsoft Office suite
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from xlsx file | Yes, Microsoft Excel supports xlsx file conversion as a source file type. | Yes | Yes | xlsx editor | Yes | No | No | No |
to xlmx file | No | Yes | Yes | xlmx editor | Yes | No | No | No |
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned xlsx to xlmx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software 
- convert xlsx to xlmx on OS X
Microsoft Excel for Mac
A popular spreadsheet application from the Microsoft Office suite
Additional links: Open xlsx file, Open xlmx file
XLSX
Files with xlsx extension are s used by Microsoft Excel for its workbooks (spreadsheets) in Office Open XML format. XLSX is the latest spreadsheet format used by Excel with the adoption of XML formatting first used in Office 2007. While older xls files were in proprietary binary file format, xlsx spreadsheets use a somewhat altered XML scheme.
XLMX
Files with xlmx extension are used for Microsoft Excel. They store macro-enabled spreadsheets.
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