If you want the re-start the Eqn # sequence in Table 2, insert the caption as per normal, then select it and press Shift-F9. You should see: {SEQ Eqn \* Arabic}. Edit this so you get {SEQ Eqn \r 1 \* Arabic}, then press F9 to update the field.

Note: Messing around with caption numbering this way might make it harder for you to figure out which one to cross-reference from elsewhere in the document.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]