If you have set your project settings to a month, you will probably have noticed the month width is quite broad. If you want to schedule more than a year, it is possible you don't need al that space and might actually prefer a more narrow width.
There is a little trick that could possibly work for you. Select just one day as a working day and exclude all the others in your timeline settings. It makes the months smaller. You will be able to plan in steps of one whole week. If you need to plan in steps of half a week you could include Wednesday as a working day as well.
Select all but one working day to make the width smaller.
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