How do i get my story back from Open Office?

i was writing a story on open office 1 and saved it, titled my story and it was fine for the few uses. I save as the story multiple times so i wouldent lose it to the same folder (plus i also turned my PC on and off multipul times when i was not using my PC) and now im trying to get it back but its not getting my story back. A window comes up saying that i can only read only or edit it because its is locked under a unknown user and when i press either button all the writing is displayed like this #################

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