Before any synchronization, an additional backup is created, adding a sequential backup number to the filename and using the suffix '.bak '.

在每一次同步之前，都会创建额外的备份，在文件名后添加一个连续的数字并以' . bak '为后缀名。

youdao

The names of these files are constructed from the name of the source type library filename and a "Bridge" suffix.

这两个文件的文件名的格式是类型库文件名加上后缀“Bridge”。

youdao

However, because it uses a double suffix on the attachment filename, many anti-virus programs should be able to pick it out.

BBC: Virus makes unwelcome return