I don't have a recent Softplan Help file on this computer, but this is from Softplan 2018 - It might not have changed that much ... Nevermind ... I've just installed 2022 and its just the same.
For anyone interested, if you go to your Softplan directory and go to SOFTPLAN > HELP and open (Double click) the SoftplanOnlineHelp.chm file, you can scan the help files without having to have either Softplan active, or an installed key.
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Renumbering Opening IDs
If you chose to add Opening ID numbers to your Opening schedule, these IDs may have been generated missing numbers in the sequential order. If this is the case, the Renumber Opening ID command is available to renumber all of the openings in the assembled floor stack. To do so:
1. SelectNotes ® Renumber IDs ® Renumber Opening IDs.
2. SoftPlan will prompt with the following dialog if you have multiple floors in the floor stack:
(Sorry, the graphic won't copy, but it's pretty self-explanatory.)
3. Select Yes to renumber the openings in the model.
4. You may now edit and regenerate the opening schedule or create a new one using the steps at the beginning of this exercise.