XLM File Extension
Have a problem opening a .XLM file? We collect information about file formats and can explain what XLM files are. Additionally we recommend software suitable for opening or converting such files.
What is the .XLM file type?
The .xlm filename extension denotes the Macro-Enabled Microsoft Office Excel Document (XLM) file type and format. XLM is a legacy proprietary format by Microsoft (MS) that was used with several releases of MS Excel, the spreadsheet component of MS Office.
An .xlm file is a MS Office Excel (97-2003) workbook with macros enabled. It is the same as .xls (a regular Excel workbook), with the only difference lying in the presence of macros. In MS Office, a macro is a mini-program in the VBA (Visual Basic for Applications) scripting language that can be used to automate routine tasks and expand functionality within an MS Office document.
Since MS Office 2007, XLM and other legacy formats were officially replaced with the standardized Office Open XML (OOXML) formats, and the OOXML substitute of XLM received the extension .xlsm. Any leftover XLM files can be opened in most MS Office releases, and several other office suites can also import .xlm (XLS + macros) files.
Rather often, the .xlm extension is mistyped or mistaken for .xml (text-based XML document), leading to confusion. Unlike .xml, .xlm files are binary and cannot be opened in a text editor.
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