[Iska]

Будут ли документы, созданные в Exel данной версии после окончания триала менее функциональны или чем то отличаться? »

Не будут. Поскольку Вы более не сможете создавать новые документы:

In Reduced Functionality Mode, you cannot create, save, or modify Microsoft Office documents. You can only view the documents.

Ну, и «print» ещё.

Подробнее…

Frequently asked questions about the Office Activation Wizard and reduced-functionality mode in Office 2003:

Q 10: What is reduced-functionality mode? A: In reduced-functionality mode, programs function similarly to a viewer. When a program is running in reduced-functionality mode, many menu items are unavailable (dimmed), thereby blocking access to that functionality. Some of the limitations of reduced-functionality mode include the following: You cannot create any new documents. You can view existing documents but you cannot edit them. You can print documents but you cannot save them. No existing Office files or documents are damaged, and you can easily get Office out of this mode by following the instructions that are outlined in the screens that appear.

И аналогичное для 2007/2010 — Frequently asked questions about the Office Activation Wizard:

Q9: What is reduced-functionality mode? A9: In reduced-functionality mode, programs function similarly to viewers. When a program runs in reduced-functionality mode, many commands are unavailable (dimmed). Therefore, you cannot access those functionalities. Some limitations of reduced-functionality mode include the following: You cannot create new documents. You can view existing documents, but you cannot edit them. You can print documents, but you cannot save them. No existing Office files are damaged. Additionally, you can easily stop Office from running in reduced-functionality mode. To do this, follow the instructions on the screens that appear.

Программу какой то из этих версий в таком режиме на самом деле можно будет продолжать использовать (в Windows XP Home)? »

Нет, нельзя. Вы должны либо купить-активировать, либо удалить.