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I have a Power Automate cloud flow triggered by “When a new email arrives”.

The flow processes the email content to extract customer and project information, normalizes the text, and builds SharePoint folder paths dynamically.

This Power Automate cloud flow is triggered when a new email arrives. It extracts and normalizes customer and project information, builds SharePoint folder paths, and then creates a customer folder and required subfolders in a SharePoint document library. All text processing and compose actions run instantly, but the flow experiences significant delays during the SharePoint POST actions used to create and ensure folders. The flow remains running without errors, indicating a performance or throttling issue with SharePoint folder creation.

Categories:

Building flows

Power Automate Desktop

Using flows

Hi,

Replace HTTP POST folder-creation calls with the native SharePoint “Create new folder” or “Create file” actions where possible, as they are optimized and less likely to be throttled.
Reduce the number of folder-creation calls by checking if the folder exists first (Get files / Get folder metadata) and only creating missing folders to avoid repeated API hits.
If delays persist, move heavy folder provisioning to a separate child flow or scheduled flow so the email-triggered flow only queues the work, keeping the user-facing process fast while SharePoint operations run in the background.

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Regards,
Riyaz