XLS spreadsheets can be simply re-saved (File → Save as..) to XLSM format in Microsoft 2007 and later. This will create spreadsheet with macro functions enabled.
Home > Search converters: xls to xlsm
Conversion of xls file format to xlsm file format beta
Search for xls to xlsm converter or software able to handle these file types.
Convert Microsoft Excel 97 to 2003 workbook to Microsoft Excel Open XML macro-enabled workbook.
We have found 8 software records in our database eligible for .xls to .xlsm file format conversion.
Microsoft Windows software 
- convert xls to xlsm 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 xls file | Yes, Microsoft Excel supports xls file conversion as a source file type. | Yes | Yes | xls editor | Yes | No | No | No |
to xlsm file | Yes, Microsoft Excel supports xlsm file conversion as a target file type. | Yes | Yes | xlsm 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 xls to xlsm. 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.
PlanMaker
A handy spreadsheet editor from SoftMaker Office suite
Corel Quattro Pro
A spreadsheet software application from Corel
Ability Spreadsheet
A fully featured spreadsheet program from Ability Office software suite
Apple macOS / Mac OS X software 
- convert xls to xlsm on OS X
Microsoft Excel for Mac
A popular spreadsheet application from the Microsoft Office suite
Windows Mobile/CE software - convert xls to xlsm on Windows Mobile
Excel Mobile
Mobile version of Microsoft Excel, previously known as Pocket Excel
Multiplatform software 
- convert xls to xlsm on any platform
Apache OpenOffice Calc (OpenOffice.org Calc)
Spreadsheet program from OpenOffice.org productivity suite
LibreOffice Calc
Full-featured spreadsheet tool from LibreOffice suite
Additional links: Open xls file, Open xlsm file
XLS
Files with xls extension are best known as spreadsheets from Microsoft Excel. A spreadsheet is basically a grid of cells sorted in rows and columns. Each cell can contain text, numeric or formula data. Excel XLS spreadsheets can be opened in most other similar programs, such as OpenOffice.org Calc.
XLSM
Files with xlsm extension are used for workbooks of spreadsheets created in Microsoft Excel that also include macros, that enhance the functionality of the spreadsheet but some automation features. Other spreadsheets might open xlsm files as well, however they most likely wont be able to use the Excel specific formatting and macros.
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