Online XLSX to LSM Converter — Microsoft Excel Online 1. Click on XLSX file link of the desired format from the dropdown menu. This should open the file in Microsoft Excel 2023 format. 2. If there is no XLSX, Excel should automatically open, then copy&paste its contents to your desktop. Please note that we make frequent modifications to the XLSX files for the most optimized and easy to read result for our readers. 3. The result file will come to a new window which will automatically show an LSM format preview. Please copy the new LSM file and save it somewhere. Online XLSX to LSM Converter — Microsoft Excel Online Convert XLSX to LSM for Free: Microsoft Excel Online offers the best LSM to XLSX converter, you just need to upload XLSX file to it, and it will convert your XLSX to LSM. You can also use this XLSX to LSM converter for Excel for all your Excel requirements: convert formulas, columns, worksheets, dates, data or any other data in it. LSM to XLSX in Microsoft Excel Online Convert LSM to XLSX Converter Online Convert XLSX to LSM Online: Microsoft Excel Online offers the best LSM to XLSX converter, you can either copy the downloaded files from Microsoft Excel LSM Converter website, or it saves them as a downloadable file, and you can download them directly in the free online converter. You can also use online LSM to XLSX converter for Excel for all your Excel requirements: convert formulas, columns, worksheets, dates, data or any other data in it. LSM Converter for All Users — ConvertOnline.