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STF Files

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There is a STF files in folder MDBData at My exchange server and the size is quite big but if I restart my exchange server, The STF file will be lost but it will show up again. There someone know, what is STF Files and how can I handle it ???

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by timwalsh

You should not do anything with these files. They are created as part of normal Exchange operations.

STF files are temporary files created by the IMAIL process during content conversion (IMAIL converts email content to either MAPI or native format, depending on the client retrieving a stored message). These files are cleaned up automatically by the information store service.

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