Abstract: A filing strip is of a bendable material. The filing strip has a central elongate anchor strip and a prong extending from each end of the strip. Each prong has a tip portion and an intermediate portion. Each tip portion is narrower than its adjacent intermediate portion. The invention extends to a filing accessory for use with the filing strip, The accessory includes a pair of elongate members. A socket defining element is arranged on an end of each member. Each socket has internal dimensions complementary to the tip portion of the prong and external dimensions which are substantially equal to external dimensions of the intermediate portion of the prong. The invention also extends to a filing accessory for use with a filing strip having a pair of opposed prongs. With this accessory a free end of each socket defining element is chamfered.