On a Mac, programs that launch automatically at startup can slow boot times and consume memory right when you need it most. Learning how to stop programs running on startup lets you reclaim system resources and keep your workflow focused from the moment you open the lid.
The following structured guide and detailed options help you manage startup behavior with confidence.
| App Name | Auto Starts | Impact on Performance | Recommended Action |
|---|---|---|---|
| Yes | Low to moderate memory use | Keep if you rely on instant notifications | |
| Slack | Yes | High memory footprint | Disable if you do not need instant team alerts |
| Chrome | Yes | High CPU and memory at login | Disable or enable only essential tabs |
| Dropbox | Yes | Low background impact | Keep for continuous file sync |
| Microsoft Teams | Yes | Moderate memory use | Disable if you join meetings manually |
Remove Startup Items Using Users & Groups
The Users & Groups preference pane offers a straightforward way to manage login items without third-party tools. This central location shows every app that is allowed to open automatically when you sign in, making it easy to audit and adjust.
Each entry includes details such as the app name, path, and hidden status, giving you clear visibility into what is running under the hood. You can quickly toggle items on or off, remove unwanted entries, or reorder the list to prioritize critical applications.
By reviewing this list regularly, you ensure that only the most useful programs start with your Mac, which helps preserve battery life and reduce unnecessary background load.
How to Open Users & Groups on macOS
Accessing the Users & Groups settings is consistent across recent macOS versions and requires only a few clicks in System Settings or System Preferences.
- Choose Apple menu > System Settings, then click your name at the top.
- Alternatively open System Preferences and select Users & Groups if your Mac uses the older control panel.
- Unlock the pane by clicking the lock icon and entering your administrator credentials.
Locate the Login Items Panel
Once your account is selected, switch to the Login Items tab to view every program configured to launch when you sign in.
Add and Remove Login Items
Managing login items in Users & Groups is a controlled process that prevents accidental removal of essential helpers while still giving you full authority over what launches at startup.
Adding an item is as simple as dragging an app from the Finder into the list, or pressing the plus button and browsing to the application you want to enable.
To stop programs running on startup, select an entry and click the minus button, or right-click an app and choose Remove. Changes take effect after you log out and back in, or after a restart depending on the app.
Fine Tuning Startup Behavior with System Settings
macOS consolidates many startup controls into the main System Settings app, giving you a modern interface and clearer categorization for managing automatic launch behavior.
Under General, you can control whether apps open windows at login and how windows are restored, which indirectly influences which programs feel active right after you start working.
The side panel also directs you to extensions and background processes, so you can coordinate login items with broader system configuration for a smoother experience.
Use Activity Monitor to Identify Hidden Processes
Not every program that runs at startup appears clearly in Users & Groups, especially helper tools and background daemons launched by authorized applications.
Activity Monitor gives you a live view of CPU, memory, and energy impact, helping you spot resource heavy background tasks that may slow down your Mac at startup.
Sort by CPU or Memory columns, look for unfamiliar names, and cross reference them with the list of login items to decide whether they should be allowed to run on startup.
Optimize Startup Performance and Maintain Control
- Review login items monthly and remove apps that are no longer essential.
- Prioritize utilities you need immediately, such as messaging or security tools, while deferring heavy apps.
- Use Activity Monitor to correlate high-impact background tasks with login entries.
- Test performance after each change by timing your startup and observing overall responsiveness.
- Keep critical work apps enabled, and disable games or media software until you intentionally start them.
FAQ
Reader questions
Will removing a login item stop the app from updating automatically?
No, removing a program from startup only prevents it from launching automatically when you sign in. The app can still be updated manually or by its own background service once it is launched.
Can I temporarily disable a startup app without removing it?
Yes, you can disable an entry in the Login Items list in Users & Groups without deleting it. Re-enable it later by checking the box again or dragging the app back into the list.
Why does a program I removed from startup still appear in my Dock?
The Dock often shows recently used and background helper apps that are not managed by login items. These processes may still run in the background if another active app requires them.
Will changing startup items affect Time Machine backups?
Disabling startup applications does not interfere with Time Machine, because backups are handled by dedicated background processes that are controlled separately from user login items.