How to Use Time Machine Backup in macOS Tahoe - Complete Guide

Time Machine is Apple’s built-in backup solution that automatically backs up your Mac, including your apps, music, photos, emails, and documents. This guide shows you how to set up and use Time Machine in macOS Tahoe to keep your data safe. 1. What You Need for Time Machine Before setting up Time Machine, you’ll need: An external drive (external HDD, SSD, or NAS) with at least twice the storage capacity of your Mac’s internal drive The external drive should be formatted as APFS or Mac OS Extended (Journaled) The external drive must be connected via USB, Thunderbolt, or properly configured for network backup 2. Set Up Time Machine in macOS Tahoe Initial Setup Connect your external drive to your Mac. Click the Apple menu in the top-left corner of the screen. Select System Settings. In the sidebar, click General. Click Time Machine. Click the + button to add a backup disk. Select your external drive from the list. Click Set Up Disk. If prompted, click Encrypt Backup (recommended for security) and create a password. Click Set Up to confirm. Turn On Time Machine After adding your backup disk: ...

February 13, 2026 · MacGuide Team

How to Check for and Install Updates in macOS Tahoe

Keeping macOS Tahoe up to date keeps your Mac secure and adds the latest features and fixes. This guide shows you how to check for updates and install them, and how to turn on automatic updates so you don’t have to remember. 1. Open Software Update in macOS Tahoe Click the Apple menu in the top-left corner of the screen. Select System Settings. In the sidebar, click General. Click Software Update. macOS will check for available updates. This may take a few seconds. ...

February 12, 2026 · MacGuide Team