The. Uproject is a reference file used to create, open, or save a file, whereas the project contains all of the files and folders associated with it.

uproject文件是一个索引文件，用于打开，或保存一个文件，而项目文件夹包含所有与之相关的文件和文件夹。

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But, said Mr Pearson, this "save as" culture could lay firms open to all kinds of problems because hidden information inside files reveals the document's true genesis.

BBC: NEWS | Technology | Document deluge threatens firms