Why can't the ttf file be opened in win7?

What is a win7ttf file?

TTF (TrueTypeFont) is a font file format jointly launched by Apple and Microsoft. With the popularity of windows, it has become the most commonly used font file representation.
Font Library is an integral part of the output device. Because Chinese characters are different from Western fonts, the character set is very huge and cannot be expressed in a single byte. Therefore, the rip of postscript level I cannot use Chinese characters, and many Western languages do not support Chinese characters.

Windows 7 system ttf file cannot be opened

1.open regedit.exe at runtime.

2. Expand HKEY_CLASSES_ROOT.ttf to ensure that the data is ttffile.

3. Locate HKEY_CLASSES_ROOTttffile and check whether the data is the same as that shown in the following figure. If they are different, find a normal computer, export the registry file, and then import the problematic computer.

In fact, we don't need to open it like a font file, as long as it is placed in the system's font directory, it will be automatically installed.