First select the slide or slides from the Slides menu on the left. Multiple slides can be selected whilst holding down CTRL on your keyboard and pressing once on appropriate slides. Next go under Home tab into Slides section. Click on “New Slide” and choose Duplicate Selected Slides from the down appearing menu. Your slides are now appearing twice in the show. - Office ToDo

Go under Home tab into Slides section. Click on “New Slide” and choose Reuse Slides from the down appearing menu. On the right side of the screen appears a new menu. Click on “Browse” and select whether you want to browse slide library or files. Since we want to use slides from another show, we’ll browse the files. Click on the correct file and press on “Open”. Into the same right side menu a selection of slides used in the show appears. Click on the appropriate slide and notice how the slide appears into your current show. - Office ToDo

Go to Slide Show tab under Monitors section. From Resolution choose the appropriate setting. These settings will impact only the slide show itself. - Office ToDo

You can add comments for the slide as whole and to certain parts of text. Simply have either the slide selected from Slides menu on the left or select the text on the slide you wish to comment. Next continue to Review tab and Comments section. Click on “New Comment” to leave a comment. Note that all the comments are numbered. To hide those comments from the view, click on “Show Markup”. To view the comments, click on the same button again. To edit a comment click on “Edit Comment” that is just next to the button “New Comment”. - Office ToDo

Under Office button there’s Save As menu. From there instead of PowerPoint presentation choose PowerPoint Show. Give your show a name and click on Save. - Office ToDo

First select the text for which you wish to change the language. Notice that on the bottom left corner of the screen you have three sections. The one on the right is the Language section. Click on the field and choose an appropriate language from the menu. - Office ToDo

Notice that on the bottom right corner there’s a zoom in and out bar and just next to it there’s an icon called “Slide Show”. Just click on it and the show will continue from the current slide. - Office ToDo

Select the slide and go under Animations tab and into Transition to this Slide section. Click on Advance Slide and uncheck “On Mouse Click” and check “Automatically After”. Now you need to set the time for advancing to the next slide. You can choose it by simply entering the time in the format of minutes and seconds. - Office ToDo

Go under Slide Show tab and to Set Up section. Choose the box “Use Rehearsed Timings” and click on “Rehearse Timings”. Now you can tailor your presentation timings to your needs. You can see the seconds pass and after the determined time you need has elapsed, press on either “Next”, which is the first button in the menu and takes you to next slide or “Pause” if you want to pause the timing rehearsal or “Repeat”, which would restart the rehearsal. - Office ToDo

For changing the size of the slides, go under the Design and to the Page Setup section. Click on the “Page Setup” button and from the appearing menu under the “Slides sized for” selection choose “On-screen Show (16:9)”. - Office ToDo