If you would like excel to open with the multithread calculation option off review the below steps.
SAP Business Planning and Consolidation for Microsoft and Netweaver versions 10.X
EPM Addin all versions
BPC AO Analysis Office plugin EPM , KBA , EPM-XLS , EPM Excel Client , EPM-BPC-NW , NetWeaver Version , EPM-BPC-MS , Microsoft Version , How To
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