An electronic device enclosure includes a housing and a cover fixed on the housing. The housing defines a first latching portion, and the cover defines a plurality of first latching hooks to engage with the first latching portion. The electronic device enclosure further includes an urging assembly rotatably assembled in the housing to contact the first latching hooks, and an operating member positioned in the housing and contacting the urging assembly. The operating member is capable of pushing the urging assembly to rotate so that the first latching hooks bends and disengages from the first latching portion.