XLSM File — Open & Convert .xlsm Online
What Is a .xlsm File?
XLSM (.xlsm) is a document file format. Excel Macro-Enabled Workbook Created by Microsoft, this format is essential for writers, students, and office workers.
How to Open .xlsm Files
Upload your .xlsm file to OpenAnyFile and instantly read and annotate it in your browser. No software installation required. Works on Windows, macOS, Linux, iPhone, and Android.
Everything About XLSM Files
Popular XLSM Conversions
Frequently Asked Questions
What is a .xlsm file?
A .xlsm file is a document format called XLSM. Excel Macro-Enabled Workbook
How do I open a .xlsm file without installing software?
Upload your .xlsm file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .xlsm files?
.xlsm files are typically created by Microsoft.
Can I convert .xlsm to another format?
Yes. OpenAnyFile converts .xlsm to XLSX, CSV, PDF.
Is it safe to open .xlsm files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .xlsm on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.