" Be careful! Parts of your document may include personal information that cannot be removed by document inspector."
記事
IT・テクノロジー
" Be careful! Parts of your document may include personal information that cannot be removed by document inspector."とファイルを保存するたびに出る時(英語版EXCEL2016)
File > Options > Trust Center > Privacy Options
から、このチェックを除く:
"Remove personal information from file properties on save."