Convert OTS to XLSM
Convert OTS spreadsheet documents to XLSM format online and free.
Drop Files Anywhere to Upload
Select a OTS spreadsheet document from your computer, or drag & drop it on the page.
To customize OTS to XLSM conversion, use the available tools before clicking the Convert button.
Wait a couple of seconds for the converter to do the hard job, then download your XLSM file.
To change OTS format to XLSM, upload your OTS file to proceed to the preview page. Use any available tools if you want to edit and manipulate your OTS file. Click on the convert button and wait for the convert to complete. Download the converted XLSM file afterward.