| CPC G06F 3/0483 (2013.01) [G06F 40/166 (2020.01)] | 7 Claims |

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1. A document editing apparatus for performing a method during a document editing session of a first user, the apparatus comprising:
a screen;
a processor;
a memory storing the method;
wherein when the method is executed by the processor, the processor is configured to:
determine, while the first user is editing a page of an original electronic document on the screen of the document editing apparatus, that a second user, on a different apparatus, has performed an operation of dividing the original electronic document into a plurality of division documents, wherein the original electronic document consists of a plurality of pages;
in response to the determination, display, on the screen and while the first user is editing the page, an operator for displaying a first document division document different from a second division document, wherein the second division document includes the page being edited by the first user, on the screen;
receive, on the displayed operator, a user operation; and
display, on the screen, the first division document in response to receiving the user operation.
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