You can make Excel always open old spreadsheets in Protected View. Enable or disable Protected View using in-built setting, Group Policy, Registry.

How to open a .csv file in Excel Opening a .csv file is as easy as opening a .txt file, and usually, you won’t have to clean up the data before doing so because the save task inserts the delimiter.

In comparison, an XLSX file is a regular Excel spreadsheet that doesn't contain this type of code and doesn't require any special steps to open the file and start working.

There might be times when we need to open multiple links saved in an Excel file. Many users do not know that Excel has a feature to open multiple links at once.

Numbers has the ability to open Excel files so you can work on them. You can also export spreadsheets in Numbers so that they are compatible with Excel.

How to Open a Word Document From Excel Using VBA. Millions of small businesses all around the world use Microsoft Word and Excel daily to create correspondence or crunch numbers.

Microsoft Excel has several features designed to help you recover unsaved versions of files and prevent data loss.

When you open or create another workbook (an Excel file that can contain one or more worksheets), that opens an internal window within the Excel window.

Has someone sent you a .numbers file that you can't open in Excel on your Windows PC? Here's how to edit it using Apple's iCloud apps ...