| Subject | English | Icelandic |
| comp., MS | check in | skila vinnuafriti (To place a file or project back in a source repository. This releases the lock for editing and enables other users to view the updated file or check out the file) |
| comp., MS | Check Names | Kanna nöfn (A button on the message toolbar that compares the names in the To, Cc, and Bcc boxes against the names in the Address Book and against those contact folders that you've specified as Outlook Address Books) |
| comp., MS | check out | sækja vinnuafrit (To retrieve a writable copy of a file or project from a source repository. This locks the file for editing to prevent others from overwriting or editing it inadvertently) |
| comp., MS | credit limit check | athugun á lánamarki (A calculation to determine whether a customer's outstanding balance is within the maximum credit allowed for that customer) |
| comp., MS | idempotency check | einkvæmniprófun (A check to ensure that each unique document is received once and only once) |
| comp., MS | non-negotiable check | óframseljanleg ávísun (A non-negotiable instrument ordering a drawee organization to pay a specified amount of money to the holder) |
| comp., MS | price check | verðathugun (The process of looking up a price) |