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  1. 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.

  2. Open XML Formats and file name extensions - Microsoft Support

    These formats and file name extensions apply to Microsoft Word, Microsoft Excel, and Microsoft PowerPoint. This article discusses key benefits of the format, describes the file name extensions and …

  3. Formatos de archivo que admite Excel - Soporte técnico de Microsoft

    Listas los formatos de archivo compatibles con Excel. En el tema también se incluye una lista de formatos de archivo no admitidos y algunas soluciones alternativas sugeridas.

  4. Save a workbook in another file format - Microsoft Support

    Lists file formats (file types) that are supported in Excel, their extensions, and how to save workbooks to a different format or the current XML-based format (.xlsx).

  5. File formats supported in Excel for Mac - Microsoft Support

    See a list of supported file formats and descriptions for Excel for Mac workbooks.

  6. Common file name extensions in Windows - Microsoft Support

    Windows file names have two parts separated by a period: first, the file name, and second, a three- or four-character extension that defines the file type. In expenses.xlsx, for example, the first part of the …

  7. Differences between the OpenDocument Spreadsheet (.ods) format …

    The table below shows which Excel features are fully, partially, or not supported in the OpenDocument Spreadsheet (.ods) format. Supported Both Excel and the OpenDocument Spreadsheet format …

  8. A file is in a different format than its extension indicates in Excel

    When you open a file in Excel, you get a message that the file name extension doesn't match the actual file format. For example, the file has an .xlsx file name extension but it's really a text file and should …

  9. Saving xls to xlsx xlsm - Microsoft Support

    If you are experiencing any of the symptoms below, please follow the steps below to convert the files from .xls to .xlsx and if the workbooks (.xls) contain macros, you can convert them to .xlsm.

  10. TEXT function - Microsoft Support

    The TEXT function lets you change the way a number appears by applying formatting to it with format codes. It's useful in situations where you want to display numbers in a more readable format, or you …