Question: Tutorial video How to activate Microsoft Office 365
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Answer: Tutorial video: How to activate Microsoft Office 365

Question: An alternative is the Group Sort Tabs addon which offers a similar functionality
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Answer: An alternative is the Group / Sort Tabs add-on which offers a similar functionality.

Question: The startingpoint of this process which might be called one of degeneration in Jewry was possibly the appearance in 1895 of Max Nordaus Degeneration which struck the keynote for the chorus to come
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Answer: The starting-point of this process, which might be called one of degeneration in Jewry, was possibly the appearance in 1895 of Max Nordau's Degeneration, which struck the keynote for the chorus to come.

Question: It was not to be however for again Arago failed to reach his homeland
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Answer:
It was not to be, however, for again Arago failed to reach his homeland.