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Hi all! I'm new to the forum and I have a strange issue with reading TDMS custom properties with Labview. Creating user properties is working fine using TDMS Set Properties.vi, but I can't read them with TDMS Get Properties.vi. I can read the "standard" properties, and also I do see the properties in DiAdem (dataportal and using script) and also in Excel when I use TDM(s) importer. The property names are not listed when calling TDMS Set Properties.vi without the property name and data type terminals connected. There is no simultaneous file reading or writing. I solved the problem with loading DiAdem and running a script, but that's very slow and also not all target machines have DiAdem installed (and no licence either, obviously). I also tried with property names such as User Properties\Device_ID, User_Properties/Device_ID in whatever combinations (I look for the property "Device_ID") without success. Thank you for any hints in advance!