When you double-click a file on your Mac, the operating system will automatically open the file using the program assigned to that type of file. It is possible, though, to open the file using ...

When you double-click on a file in Windows 8, Windows will automatically open that file using a program that has been associated with that file's extension. There may come a time, though, that ...

So, for the benefit of those of you not yet initiated into the world of preferences files, or if you just want to expand the horizons of your knowledge, I offer this tutorial. The topic is so big ...

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

If PowerPoint says that it can't open or read this type of presentation file, then use these proven fixes to resolve the issue once and for all.

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.