
File formats that are supported in Excel - Microsoft Support
Lists the file formats that are supported in Excel. The topic also includes a list of unsupported file formats and some suggested workarounds.
XLS vs. XLSX Files - What's the Difference? - Spreadsheet Planet
XLS files are based on the Binary Interchange File Format (BIFF) and store information in binary format. On the other hand, XLSX files are XML-based with a more open structure, making …
A Quick Guide To All Excel File Extensions & What They Mean
Jul 26, 2020 · Some file extensions refer specifically to the type of file, such as whether it’s an Excel template or an Excel file that contains a macro. If you understand all of the Excel file …
All About Excel Files (Types, Extensions, Open, Merge, Etc. )
Jul 9, 2024 · This article illustrates different features, methods, and issues regarding Excel files and their practical solutions.
The Simplest Ways to Open, Edit, and Convert XLSX Files
Dec 10, 2024 · What Is an XLSX File? A file with the XLSX file extension is a Microsoft Excel Open XML Format Spreadsheet file. It's a ZIP-compressed, XML-based spreadsheet file …
File Formats in MS Excel - GeeksforGeeks
Aug 12, 2025 · In this section, we have discussed all the file formats that are offered by Microsoft Excel. Here we will get the details about the extensions, Excel support, features and more.
what is an xls file? (unlocking excel’s hidden secrets)
an xls file is a file format used by microsoft excel to store spreadsheets. the acronym “xls” stands for “excel spreadsheet.” introduced with the initial release of excel in 1987, the xls format …
Excel: What Is the Native File Format for Excel?
Jun 17, 2025 · XLSX is a file format that does not allow macros. If you are reading this book, it is likely that you are not yet creating Excel macros in your workbook, so XLSX is fine.
Excel Extensions - Types Of File Formats, How to Show/Hide?
Excel Extensions are suffixes added to the file names after the dot sign. They define the specific file format and its data type. To change the file format, go to File – Save As, the Save As …
Extensions of Excel | Types of File Formats ( XLS, XLSX, XLSM, …
An “extension” in Excel is a file format used while saving Excel workbooks or spreadsheets. For example, the filename “Income.xlsx” has a “.xlsx” extension associated with the document file. …