Option Explicit
Sub tst()
Dim Wkb As Workbook, Wsh As Worksheet
Dim WkbDep As Workbook, i As Long,sFichier as String
sFichier = "C:\Faq\.....\Coronavirus_PDFs 02.xlsb"
Application.ScreenUpdating = False
Set WkbDep = ThisWorkbook
Set Wkb = Workbooks.Open(sFichier, ReadOnly:=True)
WkbDep.Worksheets(1).Cells.Clear
i = 1
For Each Wsh In Wkb.Worksheets
WkbDep.Worksheets(1).Cells(i, 1) = Wsh.Name
i = i + 1
Next Wsh
Wkb.Close , False
Set Wkb = Nothing
Set WkbDep = Nothing
Application.ScreenUpdating = True
End Sub