question: additional types of files may also be using the c!_ file extension. if you are aware of any other file formats using the c!_ file extension, please contact us so that we can update our information accordingly.
Capitalize this past sentence correctly.
A: Additional types of files may also be using the C!_ file extension. If you are aware of any other file formats using the C!_ file extension, please contact us so that we can update our information accordingly.

question: various options to enhance great visual effects are included in this application such as option to easily drop images and videos, charts, tables, reflections for pictures and many more that gives a way for marvelous presentation files. keynote also provides options to easily edit and share your presentation file on multiple apple devices like iphone, ipad, etc by sharing a link in icloud. in spite of all these remarkable features, users still face limitations while using apple keynote where they may lose presentation files.
Capitalize this past sentence correctly.
A: Various options to enhance great visual effects are included in this application such as option to easily drop images and videos, charts, tables, reflections for pictures and many more that gives a way for marvelous presentation files. Keynote also provides options to easily edit and share your presentation file on multiple Apple devices like iPhone, iPad, etc by sharing a link in iCloud. In spite of all these remarkable features, users still face limitations while using Apple Keynote where they may lose presentation files.

question: it gives a much fuller treatment of the material in his 1943 book, and also contains results obtained since 1943.
Capitalize this past sentence correctly.
A: It gives a much fuller treatment of the material in his 1943 book, and also contains results obtained since 1943.