: to file (something, such as a document) in the wrong place
… the inaccessibility of information that is being typed, is in the mail, has been misfiled or is simply in an office that is closed for the weekend … Vincent E. Giuliano
Considering that an entry misfiled is an item lost, it is good practice to study the structure of any catalog before attempting to file … Rosalind E. Miller et al.
One cache of handwritten letters emerged in the New York Public Library, of all places; they had been misfiled under Winston Churchill the American novelist. Martin Gilbert
Five- or six-digit numbers often give rise to filing mistakes: for example, a file bearing the number 117111 can easily be misfiled as 111711. Elizabeth Shepherd and Geoffrey Yeo