When you need to convert,you can use VeryDOC PowerPoint Converter v3.0.
EMF is short for Enhanced MetaFile.It is used in printing industry and associated with windows system.The advantage of emf is keeping the accuracy of images,which can save occupied bandwidth using small emf on the internet.
1.Open the VeryDOC PowerPoint Converter v3.0 and add a ppt into it.
2.Output format should be chosen as emf then starting converting.
3. Create a new folder to save all the emf files.
4.A few seconds later,the job will be finished and you can see all the emf files appearing in the new folder you’ve just created.
By converting, you can get the files you want fast.Convenient but not wasting time.