Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to create a custom dictionary in microsoft word 2007 [title] Launch microsoft word and open the document containing custom dictionary entries. [title] Click the office button in the upper left corner of the window. [title] Select " options, " near the bottom of the drop-down menu.

Ending1: [title] Choose the " proofing " section from the left pane of the " word options " window. [title] Locate the " custom dictionaries " button in the second section of the main pane and click it. Ending2: [title] Select " create new document " on the right side of this window. [title] Type in word document address in the first text box on the formatting dialog. Ending3: [title] Click " panel " and view the custom dictionary entry. [title] Click " tools " and then " apply all " under the custom dictionary entry you want to the file. Ending4: [title] Find the " character favorites " column () and give it a name. [title] Drag the right margin on the upper left corner of the window to highlight custom dictionary.

Answer format: ending1/ending2/ending3/ending4