Microsoft Excel for mac Every time I open Excel for Mac (version 15.41) I get: 'Microsoft Excel wants to use your confidential information stored in your keychain.' When I try and put in the password and then click, the notice doubles - so far I have five on my screen. Install Mac OS X updates first: To get Mac OS updates, go to the App store on your dock, and then click the Updates button to reveal available updates. Then Install Office Updates.

Credit: Justin Sullivan/Getty Images News/Getty Images Step Open Microsoft Excel on your Mac or PC. Double click on the program to open it. Step Save your Excel file in a format compatible with the other person's version of Excel.

Best family tree software for mac. Excel files are compatible as long as they are the same version or greater. All Excel file types are backward compatible with older versions of Excel. Step Open your email client and sign in to your account. Step Open a new message. Type the person's email you wish to send the Excel file to in the 'To:' field.