Topher KesslerMacworld

Topher Kessler has been an avid Mac user since 1991. He was the primary contributing author to CNET's MacFixIt blog from 2008 to 2014 and currently posts at MacIssues (macissues.com).

sad mac

The ins and outs of an OS X Permissions fix

The term "permissions fix" gets thrown around as a solution to all sorts of problems, like when your Mac slows down or experiences random crashes. Here's a guide to permissions, and various ways to run permissions fixes.

keychain access icon

How to password-protect your Mac--and keep other people from using it

Whether you just bought a brand new MacBook or are tethered to a long-lasting Mac Pro, use these password tips and OS X's security features to keep your data away from prying eyes.

Power tips for managing files in Apple’s Finder

You're already doing most of your file management in the Finder--now add some hotkeys and modifiers to make it even easier.

disk utility hero

Unlocking Disk Utility’s hidden secrets

Disk Utility has a lot of talents, some less well known than others. Topher Kessler explores some of its more esoteric (though useful) features.

login screen

What to do if your Mac refuses to accept your password

Topher Kessler offers tips for dealing with a Mac that won't accept a password.

keychain access icon

How to better manage passwords with Keychain Access

OS X's Keychain Access provides the avenue for managing and retrieving your passwords. Topher Kessler dives deeper into its password powers.

security and privacy icon

The four Mac security options everyone should know

By default, the Mac is pretty secure. But with the help of a couple of built-in options, you can make it even more so. Topher Kessler explains.

fuse in list

How to mount and manage non-native file systems in OS X with FUSE

If you've ever dreamed of using Linux's Ext3 file system or writing to NTFS formatted volumes, FUSE is for you.

remote sharing

Away from home? Here's how to access your Mac remotely

Topher Kessler details the many ways you can access the data on a remote Mac from across the street or across the globe.

audio midi setup icon

Turn it up to 11: How and when to use OS X's advanced audio controls

You probably know all about using the little speaker icon in the menubar to control your Mac's volume. But when you need finer control over its audio input and output, here's where to find it and how to use it.

automator icon

Four ways to open applications and documents automatically in OS X

Double-clicking apps and docs to open them isn't exactly hard. But what if you want to open them automatically at a specific time or under specific circumstances? Topher Kessler explains how to use OS X's built-in tools to do just that.

coffee macbook

How to spill-proof your laptop (and how to fix it if that fails)

You've spilled your coffee all over your MacBook: Now what do you do?

finder icon

Four Finder timesavers every smart Mac user should know

Think you're pretty savvy about managing files and folders in the Finder? If so, maybe you already know these four tricks. But if you don't, you should.

apple wired keyboard

Beyond the basics: advanced Mac keyboard tricks

What, QWERTY not good enough for you? Fortunately, OS X supports all kinds of alternative keyboard layouts and character sets. Topher Kessler shows you how to use them, even from the login screen.

wireless diagnostics icon

How to troubleshoot Mac Wi-Fi problems

It happens to all of us: Suddenly, the wireless connection to your Mac slows down or disappears completely. When that happens, here's what to do.