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Better spell checking with Bing (SWOOP for SharePoint)

NOTE: Microsoft deprecating the Bing Spellchecking API on 12 August 2025. SWOOP has currently implementing an even more powerful spellling- and grammer-checking features.
SWOOP is improving the spell-checking capabilities in SWOOP for SharePoint by using Microsoft's Bing Spell Check API.
 
Here is how it works technically:
 
  1. We scan the content of the SharePoint pages using SWOOP's privately hosted word dictionaries. This is a 'first round' spellcheck, but we know several false positives are identified.
  2. We take the words that have been classified as spelling mistakes in the first round and then we pass this to the Bing Spell Check API to validate if it is a real one or not.

Here is an overview of the Bing Spell Check API from Microsoft - https://learn.microsoft.com/en-us/bing/search-apis/bing-spell-check/overview.

 
Security and Privacy 
 
  1. When a SWOOP for SharePoint site is being created the customer nominates a region where all their data will be stored. The Bing Spell Check API resides in a region Microsoft Azure calls 'Global'. Therefore, SWOOP will be passing this small subset of words (not sentences), to this Global region. 
  2. According to Microsoft's documentation the Bing Spell Check API will NOT store or use the data submitted (ie words suspected of having a spelling mistake) in any way, see https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/use-display-requirements 
 
You can turn off the use of the Bing API via the admin settings (Admin / Dictionary), however, the result is suboptimal spellchecking and a need to manually maintain a custom supplementary dictionary.
 
For more details, you can download the Technical Overview, available via the SWOOP Trust Centre.