

How to change the default Windows documents folder Help how to open: How to convert Excel documents to another file format Open and convert Numbers spreadsheets onlineįile types supported in Microsoft Excel 2010 How to open Microsoft Office and OpenOffice documents For example SolidWorks uses XLS format to export Bill of Materials templates.

Excel spreadsheets are also generated and exported by various programs.

XLS format was also adopted by other programs, such as Microsoft Works. The latest versions of Microsoft Office use the Open XML file format and the Excel Workbooks are stored in the Microsoft Excel Open XML Workbook files (.

There are several versions of the format that have been released as it was revised over time. Microsoft Excel up until 2007 version used a proprietary binary file format called Binary Interchange File Format (BIFF) as its primary format. The XLS is Microsoft Excel's proprietary file format for storing its documents. The xls files are used in Microsoft Excel 97 to 2003 for Workbooks, spreadsheet document files. Or, you can use Google Docs or Open Office or something else.File extension xls is associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more. You can just use Pages and Numbers, which you get for free with your Mac. If having Word and Excel aren't important enough to you to spend $70/year, then there are alternatives. But I'd imagine eventually it will be subscription-only. The old method where people bought it as cheap as possible and then didn't update for 10+ years was killing the industry.Īs you can see wit that link they still do offer a "Office Home & Student 2019" one-time purchase for $150 if you really want that. Software subscriptions are the way things are going as the developers need a sustainable way to update software. A regular one is $100 per year, and they have a personal subscription for only $70 per year. You can use the current versions in the Mac App store with an Office 365 subscription. Catalina only supports modern 64-bit apps. So it sounds like you were using very old versions of Word and Excel that were 32-bit.
