Sub ListAppointments2()
Dim olApp As Object
Dim olNS As Object
Dim olFolder As Object
Dim olApt As Object
Dim NextRow As Long
Dim FromDate As Date
Dim ToDate As Date

'FromDate = CDate("04/01/2022")
'ToDate = CDate("04/12/2022")
    FromDate = CDate(InputBox("Enter start date"))
    ToDate = CDate(InputBox("Enter end date"))

On Error Resume Next
Set olApp = GetObject(, "Outlook.Application")
If Err.Number > 0 Then Set olApp = CreateObject("Outlook.Application")
On Error GoTo 0

Set olNS = olApp.GetNamespace("MAPI")
Set olFolder = olNS.GetDefaultFolder(9) 'olFolderCalendar
NextRow = 2

With Sheets("Лист1") 'Change the name of the sheet here
.Range("A1:D1").Value = Array("Subject", "StartDate", "EndDate", "Category")
For Each olApt In olFolder.Items
If (olApt.Start >= FromDate And olApt.Start <= ToDate) Then
.Cells(NextRow, "A").Value = olApt.Subject
.Cells(NextRow, "B").Value = CDate(olApt.Start)
.Cells(NextRow, "C").Value = olApt.End - olApt.Start
.Cells(NextRow, "C").NumberFormat = "HH:MM:SS"
.Cells(NextRow, "D").Value = olApt.Location
.Cells(NextRow, "E").Value = olApt.Categories
NextRow = NextRow + 1
Else
End If
Next olApt
.Columns.AutoFit
End With

Set olApt = Nothing
Set olFolder = Nothing
Set olNS = Nothing
Set olApp = Nothing
End Sub

If (olApt.Start >= FromDate And olApt.Start <= ToDate) Then

Option Explicit

Sub ListAppointments()
    Dim olApp As Object
    Dim olNS As Object
    Dim olFolder As Object
    Dim olApt As Object
    Dim NextRow As Long
    Dim FromDate As Date
    Dim ToDate As Date

    FromDate = CDate("01/01/2021")
    ToDate = Now()

    On Error Resume Next
    Set olApp = GetObject(, "Outlook.Application")
    If Err.Number > 0 Then Set olApp = CreateObject("Outlook.Application")
    On Error GoTo 0

    Set olNS = olApp.GetNamespace("MAPI")
    Set olFolder = olNS.GetDefaultFolder(9) 'olFolderCalendar
    NextRow = 2

    With Sheets("Лист1") 'Change the name of the sheet here
        .Range("A1:G1").Value = Array("Project", "Date", "Time spent", "Location", "Categories", "Start Hour", "End Hour")
        For Each olApt In olFolder.Items
            If (olApt.Start >= FromDate And olApt.Start <= ToDate) Then
                .Cells(NextRow, "A").Value = olApt.Subject
                .Cells(NextRow, "B").Value = CDate(olApt.Start)
                .Cells(NextRow, "C").Value = olApt.End - olApt.Start
                .Cells(NextRow, "C").NumberFormat = "HH:MM:SS"
                .Cells(NextRow, "D").Value = olApt.Location
                .Cells(NextRow, "E").Value = olApt.Categories
                .Cells(NextRow, "F").Value = olApt.Start
                .Cells(NextRow, "G").Value = olApt.End
                NextRow = NextRow + 1
            Else
            End If
        Next olApt
        .Columns.AutoFit
    End With

    Set olApt = Nothing
    Set olFolder = Nothing
    Set olNS = Nothing
    Set olApp = Nothing
End Sub

If (olApt.Start >= FromDate And olApt.Start <= ToDate) Then