Hi Buffy,
You can arrange tabs after the First 2 default tabs. In US English it's "Posts", "Files". I'm not 100% on EDU tenants tabs if they can be arranged, but there currently isn't a lot of customization in the area of the default tabs. Custom tabs added can be reordered etc. it's possible your notepad/tasks etc can be switched around, but the first 2 are for sure cannot be adjusted.
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