What the master slide is and why you'd change it
The master slide is the template that controls how every slide in your presentation looks — fonts, colors, background, logos, and where text boxes sit. When you change the master slide, those changes show up on all slides at once instead of you having to edit each one individually.
You change the master slide when you want a different overall look for your whole presentation, or when you've built a custom design and want to apply it everywhere. PowerPoint stores master slides in the View menu, and you edit them separately from your actual slides.
Key Takeaways
- Open the master slide view through View menu, then click Slide Master — this is where you edit the template, not your actual slides.
- Changes you make to the master slide automatically appear on all slides that use that master, so you only edit once.
- You can have multiple master slides in one presentation and assign different ones to different slides.
- Close the master slide view by clicking Close Master View to return to your normal slide editing.
How to open and edit the master slide
Start by opening your presentation in PowerPoint. Click the View tab at the top of the screen. In the ribbon, find and click Slide Master — it's usually on the left side of the View ribbon. PowerPoint will switch to master slide view, and you'll see a larger slide on the left with smaller related layouts below it.
The large slide at the top is the main master slide. Any change you make here affects all the slide layouts below it. The smaller slides below are specific layouts — like title slide, title and content, blank — and you can edit those individually if you want one layout to look different from the others.
Edit the master slide the same way you'd edit a normal slide: click on text boxes to change fonts or colors, click on the background to change it, add logos or shapes that should appear on every slide. When you're done making changes, click Close Master View in the View ribbon to return to your normal slides. Your changes are already applied.
Changing fonts and colors across all slides
To change the font on every slide at once, click on a text box in the master slide that says something like "Click to edit Master title style." Highlight all the text in that box, then use the Home ribbon to pick a new font, size, or color. That change will show up on every slide using that master.
To change the background color or add a background image, right-click on the blank area of the master slide (not on a text box) and select Format Background. A panel will open on the right side. Choose a solid color, gradient, or picture, and click Apply to All. Every slide will now have that background.
If you want different slides to have different looks, you don't have to change the master. Instead, close master view and right-click on individual slides in your slide panel, then select Format Background to change just that one.
Adding logos or images that appear on every slide
Open the master slide view again through View > Slide Master. Click Insert in the ribbon, then click Pictures to add a logo or image. Place it where you want it to appear on every slide — usually the corner. Resize it by dragging the corners.
The logo will now appear on every slide that uses this master. If you want the logo on some slides but not others, you have two choices: create a separate master slide layout without the logo, or add the logo to individual slides instead of the master.
Using multiple master slides in one presentation
PowerPoint presentations can have more than one master slide. You might want a different look for your title slide than for content slides, or different looks for different sections. When you're in master slide view, you can see all your masters on the left panel.
To add a new master, click Blank Slide Master in the Edit Master ribbon while you're in master slide view. Design it however you want. Then close master view and go back to your normal slides. Right-click on any slide and select Layout — you'll see all your master slide layouts listed. Click the one you want to apply to that slide.
Fixing a master slide that looks wrong
If you edited the master slide and now your slides look broken — text is cut off, logos are in the wrong place, or colors are wrong — go back into master slide view and undo your changes. Click Edit in the ribbon, then Undo, or press Ctrl+Z repeatedly until the slides look right again.
If you've made so many changes that you can't remember what was correct, you can delete the master slide and start over. In master slide view, right-click on the master slide you want to remove and select Delete Master. PowerPoint will warn you if slides are using it. If you delete a master that slides depend on, those slides will switch to a different master automatically.
Switching to a completely different master slide design
If you want to replace your current master slide with a different one entirely, close master view first and go back to your normal slides. Click the Design tab in the ribbon. You'll see thumbnail previews of different master slide designs. Click any one to apply it to your whole presentation.
PowerPoint comes with built-in designs, and you can also browse more online. Click Browse Themes or More Designs (the exact name varies by PowerPoint version) to see additional options. Click one to preview it, then click again to apply it. Your slides will instantly switch to the new master design, though any text or images you added will stay.
Frequently Asked Questions
Will changing the master slide erase my text and images?
No. The master slide controls the background, fonts, and layout, but your actual content — text, photos, charts — stays on your slides. Changing the master is like changing the wallpaper in a room; the furniture stays.
Can I undo changes to the master slide after I close master view?
Yes, as long as you haven't closed the file. Press Ctrl+Z or click Edit > Undo. If you've already closed and reopened the file, the changes are saved and you'll need to edit the master again to change them back.
What's the difference between editing the master slide and using the Design tab?
The Design tab applies a pre-made theme to your whole presentation. Editing the master slide lets you customize that theme — change specific fonts, colors, or add your own logo. You can do both: apply a design, then edit the master to tweak it.
If I delete a master slide, what happens to slides using it?
PowerPoint automatically switches those slides to a different master in your presentation. Your slides won't disappear, but they'll look different. If you only have one master and delete it, PowerPoint will create a blank one so your slides have something to use.
Can I save a master slide design to use in other presentations?
Yes. In master slide view, click File > Save As and save your presentation as a PowerPoint Template (.potx). Then when you create a new presentation, you can choose to start from that template, and all your custom masters will be there.