question: however, there were not enough highly trained american scientists and so many recent immigrants were needed to fill the gap.
Capitalize this past sentence correctly.
A: However, there were not enough highly trained American scientists and so many recent immigrants were needed to fill the gap.

question: after the restoration process finishes, you can see all the retrieved files both in file type view and data view along with their details.
Capitalize this past sentence correctly.
A: After the restoration process finishes, you can see all the retrieved files both in File type View and Data view along with their details.

question: unsure about which type of xfn file you have? do you want to know exactly what it is, who created it, and how to open it?
Capitalize this past sentence correctly.
A: Unsure about which type of XFN file you have? Do you want to know exactly what it is, who created it, and how to open it?