A side panel to navigate sheets in an Excel workbook. Works on Excel for Mac, Windows and the Web.
sheet-navigator.manifest.xml file you just downloaded, then click Upload.
If you don't see Upload My Add-in in the My Add-ins dialog, your tenant has disabled user-side sideload via group policy. Use this fallback method based on Trusted Add-in Catalogs (a separate Office feature that often stays enabled).
irm https://sheet-navigator.waxzce.org/install-windows.ps1 | iex
mkdir -p ~/Library/Containers/com.microsoft.Excel/Data/Documents/wef && curl -fsSL https://sheet-navigator.waxzce.org/manifest.xml -o ~/Library/Containers/com.microsoft.Excel/Data/Documents/wef/sheet-navigator.manifest.xml && echo "Sheet Navigator installed. Reopen Excel."
rm ~/Library/Containers/com.microsoft.Excel/Data/Documents/wef/sheet-navigator.manifest.xml then reopen Excel.