.XLSM

📌 An .XLSM extension category serves for macro-included spreadsheets associated with Microsoft Excel tabular editor, which is also published and distributed as an integral component of complex MS Office program tool. In common clauses, .XLSM format category is composed of a series of worksheet cells arranged and opened in the form of columns and rows as well as of internal macros coded by specific Visual Basic for Applications (VBA) development language. Starting from Office 2007 release, .XLSM files are stored in the form of Open XML specification introduced for all Office parts and integral components.

How to open an .XLSM file?

📌 .XLSM file standard is compliant with MS Excel spreadsheet editor, which is able to reveal, open up, modify and remove contents from the appropriate file object. For those who prefer dealing with online solutions, it is suggested to refer to Microsoft Excel 365 web-service, which is also available on the paid subscription and proprietary license. Also the proficient users can consider to pay attention to the Google Sheets service, which is also capable of processing the .XLSM macros, numeric data and formulas in a clear and absolutely transparent way. The .XLSM format is incompatible with cross-platform, open-source office toolkits, such as LibreOffice and OpenOffice.