Document Comparison
Compare an older version (Document A) with the current one (Document B, the project document at the top unless you choose another file): every changed row, tab by tab, with exactly what changed.
Choose Document A (older) and Document B (newer) above, then press Compare.
Match rows by
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Stock check
Upload an inventory Excel to see whether there's enough in stock for this build.
Cables are matched by type, then by length: each run gets the shortest stock length that reaches it. Transceivers are matched by name.