Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

It’s easy to never go beyond the basics of Open and Save dialog boxes, despite their being perhaps the most-used feature of the Mac interface. Instead of simply working with the basics, make these ...

Q: Here’s my problem. Whenever I open a Word document, I get this message: “The command cannot be performed because a dialog box is open. Click OK, then close open dialog boxes to continue.” I don’t ...

Q: I have three questions. First, I have Microsoft Word 2007 on my home PC. For about two months now, when I open a saved Word document, I get a pop-up: “The command cannot be performed because a ...

Here’s a simple trick you can use in OS X 10.5’s Open dialog box. Say you’ve decided to open a saved file in a given application. You press Command-O (or select File -> Open if you’re menu-inclined) ...

It’s happened to all of us: A colleague sends an image that you’d like to edit, but when you double-click on it, Preview launches instead of Adobe Photoshop. Or, you save a text-only document from ...

Microsoft has confirmed that Windows 10 apps will mistakenly display an "How do you want to open this file?" dialog box when attempting to right-click on the program's icon and perform a registered ...

Certain kinds of business computer files, such as Microsoft Word documents, multimedia files and ZIP archives, carry important information in the data bytes nearest the file's beginning; software ...