Use XLOOKUP where available, or pair INDEX with MATCH for compatibility. Reference stable IDs, not names, to avoid mismatches. Wrap critical lookups with IFERROR to keep dashboards clean. This reliability builds confidence, so you actually trust the signals guiding daily relationship decisions.
FILTER gathers exactly the rows you need for a context, like overdue follow-ups for high-value contacts. UNIQUE removes duplicates when importing lists. Combined with SORT and ARRAYFORMULA, your views stay current automatically, so you spend time nurturing people instead of refreshing reports.
Color can be meaning, not decoration. Highlight lapsed contacts based on days since last interaction, or flag deals with approaching close dates. Simple rules surface what matters now, providing gentle urgency while keeping your spreadsheet calm, friendly, and surprisingly reassuring to use.






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