Flip Shapes
Your shape is perfect, it's got the right color and it works well with your slide content -- yet there's something that could be better? There are times when most slide designers think exactly the same thoughts! And the easiest task you can do to your shape is to flip it. There are other options -- and some of these options depend upon the shape in question. Let's use the Teardrop shape as an example -- you can resize and rotate this Teardrop shape -- however, even with rotate you are just turning the shape in another direction without making any changes to the shape's structure. The Flip option, on the other hand lets you mirror your shape in another direction to create a reverse image. Follow these steps to apply the Flip option.

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Change One Shape to Another
Some shapes are so similar -- and you may work with one shape and then realize that you used the wrong one. Typically, users create a 5 pointed star when they need a start with 4 or 8 points -- and that was just one example! Let's explore another scenario: you worked on a shape and applied effects, animations, and fills to this shape. Later you realize that you used a wrong shape, or perhaps the client wants you to change the shape but retain all the effects, animations, and fills! You may want to delete and start over again, and that is a long drawn process -- but you don't have to do that for you can change any existing shape to another by using these steps in PowerPoint 2013.

Create and Edit Custom Dictionaries
PowerPoint provides a default spelling dictionary which contains a list of all common words. But, when you are working on a particular project that uses uncommon words not found in everyday language, PowerPoint may mark some words as misspelled, even though they are correct. To solve this issue, you could edit a custom dictionary or load a ready-made 3rd party dictionary within PowerPoint 2011. Additionally, you can also create your own dictionary that includes a set of words for a particular project. So, if you need to do a legal presentation for a client once a year, you could create a separate dictionary for just this one project.

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Disable and Enable Custom Dictionaries
Any custom dictionary that you create or edit within Word 2011 for Mac is used by all the other Office applications installed on your Mac. Also, if any changes are made to the list of words within a custom dictionary, it will be reflected within the proofing tools of all Office applications. You may add new dictionaries or edit them -- but by default, each logged-in user has a default custom dictionary -- not surprisingly, this is a file called Custom Dictionary.

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Sharing Custom Dictionaries
Each logged-in user for Mac OS X is allotted a separate default custom dictionary in Office 2011. Not surprisingly, this is a file called Custom Dictionary located within each user's Library folder on the Mac. In addition, as a user you can create and use many more custom dictionaries. Over time, your custom dictionaries may become a very useful resource, especially since any custom dictionary loaded is used by all the Office applications such as Word, Excel, and PowerPoint. Let us assume that you have added several words to a custom dictionary over the last few years, and now you need to move to a new computer. Or, probably you have a colleague who is going to help you with some documentation, and you obviously want him or her to use your custom dictionary.