How to Combine Multiple PowerPoint Presentations

Do you have multiple PowerPoint presentations that you need to combine or merge into one presentation? I’ve had to do this myself a couple of times and one of the most important aspects when merging presentations is whether you want to maintain the format and theme of the inserted presentation or have it match the theme of the main presentation. The second most important factor is whether you need to maintain any animations and transitions that might be included in the inserted presentation.

Depending on how you want the inserted slides to appear in the main presentation, you will need to choose between two different methods for joining the presentations. In this article, I’ll mention both methods along with the advantages and disadvantages for each method.

The first method uses the Reuse Slides option in PowerPoint and the second method uses the Insert Object option.

Reuse Slides Method

If you want the inserted slides to match the theme of your main presentation, then you have to use the Reuse Slides option. The inserted slides will simply take the slides exactly as they are in the external presentation and add them to the main presentation.

However, there is one big caveat: none of the animations or transitions will be carried over. Whatever you see on the slide in the normal viewing mode is what will get imported into the main presentation.

If you need to maintain all the animations or transitions, then skip down to the Insert Object method.

To get started with this method, open the main presentation and then click between the two slides you want to import the slides into. It’s worth nothing that this method also lets you pick and choose which slides you want to insert from an external presentation, whereas the Insert Object method will insert the entire presentation.

insert slide

Now click on the Insert menu and then click on the words New Slide and you’ll see a menu appear. At the very bottom of that menu is an option called Reuse Slides.

reuse slides

When you click on that, a tab will appear on the right hand side. Click on the Browse button and then select Browse File. Check the Keep source formatting box if you want keep the theme and text formatting of the external presentation.

If you uncheck that box, then when you go to insert the slides into the main presentation, the original formatting will not be kept. Instead the slides will use the theme and formatting of the main presentation.

insert slide from

Select the PowerPoint Presentation you want to insert and then click OK. Immediately, you should see a small thumbnail and the title of each slide displayed.

insert slides from ppt

As you can see above, the second presentation has a different theme than my first presentation. There are a number of things you can do at this point. Firstly, if you just want to insert one slide or a couple of slides from your external presentation, simply click on the slide and it will be inserted!

The formatting will depend on whether you checked the Keep source formatting box like I explained above. As shown below, I inserted just one slide from the external presentation and kept the source formatting.

powerpoint inserted slides

It will be inserted wherever you had clicked earlier with the red line. If you want to insert all the slides, just select the Insert All Slides option that comes up when you right-click on any of the slides.

Lastly, you can apply the theme used in the external presentation to your main presentation by right-clicking and choosing Apply Theme to All Slides. This will apply the external presentation theme to the main presentation.

As mentioned earlier, you lose all animations, effects, transitions, etc when using this method. Now let’s talk about the other way to merge two presentations.

Insert Object Method

The second method will insert the entire external presentation into one slide as an object. You then have to configure some settings so that when you run your slideshow, it also runs through all the slides in the external presentation.

There are a couple of things that need to be mentioned before we get into how to use this method:

1. When you insert the presentation as an object, it is not a link to the presentation, but an actual full copy into the main presentation. This means that if you open the external presentation later after inserting it into the main presentation and make changes to it, those changes will not be reflected in the imported version inside the main presentation.

2. If you do want to make changes to an already inserted presentation, you can edit it inside the main presentation. Again, those changes are only made to the version inside the main presentation.

In my opinion, this method is better than the Reuse Slides method because it lets you keep all your animations and transitions and it allows you to change or keep the theme of the inserted presentation.

To get started, open the main presentation and then insert a new slide. Make sure to delete any default text boxes or anything else on the new slide so that it is completely blank.

add new slide

Now click on the Insert tab and then click on Object.

insert object into slide

Select the Create from file radio button and click the Browse button. Select the external presentation you want to insert into your main presentation.

insert 2nd powerpoint

You’ll now see the first slide of the presentation inserted as a selectable object. All of the other slides are there, but you just can’t see them.

stretch window to slide

The next step is to move your cursor to the upper left corner of the inserted object until it turns into a double sided arrow. Click and then drag the corner to the upper left corner of the main slide. Now do the same thing with the bottom right corner of the object and drag it to the bottom right corner on the main slide.

Now the inserted object should be the exact same size as the slide that it was inserted onto. You want to do this so that there won’t be any change in the size of the slides when you are playing the presentation.

Once that is setup, we have to configure the second presentation to play when we hit that slide that we inserted the presentation into. To do this, select the object, click on the Animations ribbon, click on Add Animation and then scroll all the way to the bottom where it says OLE Action Verbs.

ole action verbs

Another dialog will pop up and you want to choose Show. If you were to play the presentation at this point, you would notice that when you reach the slide with the inserted presentation, it will show all the slides in the inserted presentation, but it will also include a still slide of the first slide at the front and back of the inserted presentation.

add show action verb

This was kind of annoying to me and luckily you can almost get rid of it. First, click on Animations again and then click on Animation Pane, which will show up at the right.

animation pane

In the Animation Pane, you will see the inserted object listed as Object 1 or Object 2, etc. and when you select it, there will be a small black arrow you can click on. This will bring up a few options and then first one you want to select is Start With Previous.

start with previous

Now when you play the presentation, it won’t show you that still image of the first slide but will actually play the first slide from the external presentation. To get rid of the still image at the end of the presentation, you have to select Effect Options from the menu above and then select Hide After Animation from the After animation dropdown box.

hide after animation

It’s not perfect because it still shows you the empty slide that the inserted presentation was put once before the presentation ends. Luckily, I found a simple hack for this too that works really well. Simply add something to the slide that has the external presentation object like a text box or whatever you like and then right-click on the object and choose Send to Back.

send to back

This will effectively hide the object behind the presentation object. Now when you play your presentation, it will hide the presentation object after the last slide because that is what we chose in the After animation option. When the presentation object is hidden, you’ll see any content that was hidden under it. It’s a great way to avoid having that blank slide show up during the presentation.

One last thing I wanted to mention was about editing the inserted presentation. You can right-click anywhere on the object and choose Presentation Object – Edit to edit any slide in the inserted presentation directly within the main presentation.

edit presentation

Hopefully, this was a detailed enough tutorial for anyone wanting to merge, combine or insert one PowerPoint presentation into another. If you have any questions, feel free to comment. Enjoy!

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The Best Free Defrag Tool for Windows is Itself

Back in the days, defragging your PC was something everyone did on a regular basis, even if you had no clue what you were doing. What everyone did know was that it somehow made the computer run faster.

I’ve written many articles in the past about defragmenting your hard drive, the boot sector, the paging file and even the registry. During the days of Windows XP, defragging was necessary and it made a significant difference in performance.

Over time, many companies started selling third party defragging tools that supposedly did the job faster, better and more accurately. Some were actually fairly good, but most pretty much did the same thing as the built-in Windows defragment tool or even worse. It wasn’t surprising to run a third-party defrag tool and have your computer actually run slower than before.

Third Party Defrag Scenarios

The only time I have actually seen a reason to recommend a third-party defrag tool to anyone was if the person had a complex setup on their PC with different types of data stored in different locations. For example, if you have four different hard drives installed on your PC, each containing different types of data like music, videos, operating system files, etc, then a third-party tool can let you defrag each drive in a different way.

If one drive has a lot of small files that are accessed often, you could use a third-party tool to defragment that drive so that the files are sorted by the last accessed time or creation time. For a drive that has a bunch of large music or video files that don’t get accessed very often, you could sort them on the disk by folder size or file size.

You could even defragment only certain files or folders instead of the entire drive if you wanted. Obviously, as you can see, this is really only useful for certain specific scenarios and the time and effort spent doing all of this may not even yield any dramatic results.

The only other scenario where a third-party defrag tool worked well was with a client who had a hard drive that was almost full. I was able to use a third-party tool to move all the data to the beginning of the disk. This freed up some extra space and helped speed up the PC a bit.

Windows Built-In Defrag Is The Best

For 99% of the people reading this article, the built-in disk defragmenter tool in Windows is perfect for keeping your hard drive running smoothly.

A bunch of people have actually gone through the trouble of testing out a lot of different defragment tools like Defraggler, MyDefrag, etc and have found that in Windows 7 and above, they don’t speed up read or write access to data on the hard drive by any noticeable amount.

This is because hard drives nowadays are much larger and therefore have a lot more free space. With the extra space, Windows doesn’t have to fragment your files as much.

In addition to larger hard drives, modern machines and hard drives can access data much faster than earlier. So even if you have a partially fragmented hard drive, it most likely won’t even make any difference in how fast the data can be accessed. Only if you have a very fragmented hard drive will you start seeing some slowdowns, but this is virtually impossible because of the built-in Windows defragmenter.

In Windows 7, it’s called Disk Defragmenter and in Windows 8 and higher, it’s now called Optimize Drives. By default, it’s scheduled to run once a week, which pretty much keeps all your drives near 0% fragmentation. Here’s my Windows 7 PC after 2 years of use without ever manually running a defrag.

disk defragmenter

I’ve already written a detailed post about Optimize Drives and Disk Defragmenter in Windows 8 and Windows 7, so feel free to check that out if you want more info.

SSDs Don’t Need Defragmenting

Lastly, even the days of automatic defragmentation are dying because of SSDs (solid state disks). An SSD doesn’t read and write data like a traditional hard drive and doesn’t need to be defragged. Actually, Windows will automatically disable disk defragmentation on a solid state hard drive because defragging can reduce the life of an SSD.

samsung ssd

If you are looking for truly significant performance gains when reading and writing data, then you should upgrade to an SSD. Even the cheapest and slowest SSDs are many times faster than traditional spinning hard drives.

On my Windows 7 machine, the boot time went from over 40 seconds to under 5 seconds when I switched from a 7200 RPM hard drive to a 256 GB Samsung SSD. SSDs are usually much smaller in size due to their higher cost, but just loading the operating system onto an SSD can make a huge difference, even if you store all your other data on a separate slower spinning hard drive.


Hopefully, everything I said above made sense, but if not, here’s the takeaway. If you are running Windows XP on an older machine, you really should upgrade. If you can’t, then manually run the built-in disk defragmenter. If you are running Windows Vista or higher, there is nothing you have to do becauseWindows will automatically defragment any traditional hard drives and will exclude SSDs.

If you’re a tech geek and want to squeeze every last ounce of juice from your PC, then install a reputable third-party defrag tool and configure it to your liking. Otherwise, relax and enjoy your already optimized hard drive. Another good way to speed up a PC that is better than defragmenting is uninstalling unused or junk software. Enjoy!

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Best Free Windows Registry Cleaner

If you’re reading this article, you came here looking for a way to “clean out” your Windows registry. Maybe someone told you that cleaning out the registry will fix computer performance issues or application crashes or something else that sounds really good. Unfortunately, many of these claims are false and could actually cause your computer more harm.

The Windows registry is basically a really big database with a bunch of keys and values that stores data about everything that makes Windows and the applications installed on it run. The registry starts off very large and can definitely grow in size over time as you install apps, uninstall apps, add/remove hardware, etc.

A lot of registry cleaners claim that they will remove “junk” or “corrupt” entries from the registry and thereby reduce crashes, blue screens, and general computer slowness. While they can remove a lot of entries from the registry, there is rarely any perceptible performance benefit to doing this.

fix registry

Actually, you’ll quickly realize while looking at various registry cleaners that there is no actual evidence or performance tests conducted by a legitimate organization that show any performance gains to clearing out thousands of entries from the registry. The only people that claim this are the sites selling the software and they also don’t have any factual evidence or performance tests on their sites to prove it.

registry cleaner

The reality is that registry cleaners were popular back in the days of Windows 95, Windows 98, Windows Me and maybe even Windows XP, but the newer operating systems like Windows 7, Windows 8 and Windows 10 are far more stable, well-coded and advanced than their previous counterparts. With Windows 8 and Windows 10, you can fix a lot of problems by resetting or refreshing your PC. You’re also going to see much bigger performance benefits by disabling useless startup programs in Windows or by uninstalling junkware or crapware from your system.

There are some rare cases where removing entries from the registry may help. One example that comes to mind is right-click context menu in Explorer. Sometimes the list of items becomes very large and some items in the registry no longer exist on the system. That means when you right-click on a file or folder, it could take a very long time to load the context menu.

In this type of case, removing the registry entries would help. However, it’s still a better idea not to use a registry cleaner. Instead, you would Google and hopefully find an article like mine that shows you how to troubleshoot a slow right-click context menu. This way you’re fixing the problem without clearing out a bunch of stuff you’re not sure what is being used for.

In addition, a lot of registry cleaners are simply malware or spyware programs that trick users into thinking they have serious problems with their computers when in reality they don’t. The programs will then pop up ads all over the place, steal important data and worse, so there is a bit of risk in using this type of software unless you stick with a reputable brand with a reputable website.

If you’re still certain that you need a registry cleaner, then I do have one recommendation. Before we get to that, however, you should always make a backup of the registry before you run any type of cleaner software. Making a backup is as simple as creating a new system restore point. I always do this before running any cleaner on my registry even though the one I will mention is extremely safe and has never caused me any issues.


CCleaner is actually a free system cleanup utility that happens to also include an option for cleaning the registry. I’ve already debated the worthiness of system cleaning software before and concluded that basically, yes, some tools do actually work in these cases.

The free version works great for most people, but if you end up using it a lot like me, I would highly recommend CCleaner Professional, which includes real-time monitoring, automatic updates and unlimited technical support for the one time price of $24.95.


Most of the entries that CCleaner will remove are simply leftover keys that were not removed when a program was uninstalled. Again, these values do not actively make Windows any slower or prone to crashes. They simply exist in a database and aren’t accessed anymore. As mentioned earlier, these databases in the newer versions of Windows are advanced and therefore even tens of thousands of extra entries will not slow down access to the database.

What I like about this program is that it’s the best for cleaning your system in addition to having the registry cleaning option. It also allows you to create a backup of the registry before you fix any issues. It also lets you choose what types of items to scan the registry for, thereby allowing you to control the level of risk. The only downside is that it doesn’t really provide very meaningful descriptions of the actual entries, but that is true for every other registry cleaner too. There are simply too many entries in the registry to write descriptions of each.

At the end of the day, it’s the only program I can suggest that I am certain will not cause damage to your computer, install malware or do something else bad to your system. If you’re still having issues with your PC, check out some of the links I mentioned above that have a better chance of increasing performance and reducing crashes. If you have any questions, post a comment. Enjoy!

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