365 Classic Outlook downloading one or more days mail every day


J

John7

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Windows 11
I have two installs os classic outlook both set up as far as I can tell the same. Some months ago on my Dell laptop all the mail for the last day was redown loaded for both kept and deleted mail. It stoped for a time after I went through the settings on both installs though I have no idea why as nothing was changed. Then today two days mail was down loaded. Any ideas of why very welcome. Sorry for spellings I am dyslexic
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Chilblast Photoe editer
    CPU
    AMD Ryzen 9 3900X 12-
    Motherboard
    AMD AM4 ATX
    Memory
    32
    Graphics Card(s)
    RTX 470
    Monitor(s) Displays
    Benq SW240 Dell U213
    Screen Resolution
    1920X1200
    Hard Drives
    1 Tb SSD 2 Tb SSD 2Tb Hdd
    Mouse
    logi
    Internet Speed
    500 up and down
    Browser
    Firefox
    Antivirus
    Bitdefender Total Security
  • Computer type
    Laptop
    Manufacturer/Model
    XPS 14 9440
    Browser
    Firefox
    Antivirus
    Bitdefender Total
1) Do I understand correctly - Without you doing anything, on two occasions Outlook brought back old data that you had previously removed from your Inbox and Deleted Items folders?

2) Did both events occur on the same computer?

3) What is the domain (the part after the "@") of the email account that was involved? Do NOT reply with your full email address.

4) Please see this Microsoft Support article and reply with what platform (Windows, Mac) and exactly which version of Outlook you are using.

What version of Outlook do I have? - Microsoft Support
 

My Computer

System One

  • OS
    Windows 10, Windows 11
    Computer type
    PC/Desktop

Hornblower409 thanks for reply. My description of the problem is misleading sorry.​


1/ Its been happening for some months not just twice. Some days like today no duplicates were downloaded, yesterday (unusually) mail for Thursday and Friday as well as Saturdays was downloaded, usually it’s just the former day.
2/ It’s the same, laptop, that has the problem.
3/ idnet.com
4/ Microsoft Outlook® for Microsoft 365 MSO (Version 2506 Build 16.0.18925.20076) 64-bit

John
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Chilblast Photoe editer
    CPU
    AMD Ryzen 9 3900X 12-
    Motherboard
    AMD AM4 ATX
    Memory
    32
    Graphics Card(s)
    RTX 470
    Monitor(s) Displays
    Benq SW240 Dell U213
    Screen Resolution
    1920X1200
    Hard Drives
    1 Tb SSD 2 Tb SSD 2Tb Hdd
    Mouse
    logi
    Internet Speed
    500 up and down
    Browser
    Firefox
    Antivirus
    Bitdefender Total Security
  • Computer type
    Laptop
    Manufacturer/Model
    XPS 14 9440
    Browser
    Firefox
    Antivirus
    Bitdefender Total
You may have a corrupt .PST file. Firstly back up your PST file Visit C:\Program Files\Microsoft Office\root\Office16 and run SCANPST and run a repair.
 

My Computers

System One System Two

  • OS
    Windows 11 Enterprise 25H2 26200 7462
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom Build
    CPU
    Intel XEON E5-2699 v3
    Motherboard
    ASUS X99-A
    Memory
    64GB Teamgroup UD4-3600
    Graphics Card(s)
    NVIDIA GeForce GTX 1080 Ti
    Sound Card
    Integrated
    Monitor(s) Displays
    ACER X34 Predator
    Screen Resolution
    3440 x 1440
    Hard Drives
    Crucial CT1000P 3P SSD8 1TB
    Crucial CT1000 BX500 SSD 1TB
    PSU
    GameMax Pro
    Case
    Fractal Design
    Cooling
    Corsair H110iGT + 6 140mm Fans
    Keyboard
    Corsair K4
    Mouse
    G-Skill G502
    Internet Speed
    300MBs
    Browser
    Chrome
    Antivirus
    OEM
    Other Info
    ASUS RT-AC87U Router
  • Operating System
    25H2 26200.5074
    Computer type
    Laptop
    Manufacturer/Model
    ASUS X555LA
    Memory
    8GB
    Browser
    Chrome
    Antivirus
    OEM
John7 said:
1/ Its been happening for some months not just twice. Some days like today no duplicates were downloaded, yesterday (unusually) mail for Thursday and Friday as well as Saturdays was downloaded, usually it’s just the former day.
Click to expand...

If you would please, let's go over a single "incident" in detail.

So the PC is just sitting there.
1) Is your Outlook running all the time?

You go into Outlook and you see:
2) Old mail that you moved/deleted from your Inbox, is back again.
3) Existing mail in your Inbox from yesterday is now duplicated?
3A) All mail from yesterday? Or only those still in your Inbox? i.e. If you deleted something yesterday, does it come back?
3B) Are the duplicates Unread? Even if the original had been Read?
 

My Computer

System One

  • OS
    Windows 10, Windows 11
    Computer type
    PC/Desktop
Outlook isn't left running all the time just when I first use the laptop and occasionally over the day. I run download and that id When duplicates are downloaded. It's existing and deleted as the unread line is along side them all. They do not apeare to be duplicated where undeleted but read but the unread mark apeares on all new days and former days when they are doe
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Chilblast Photoe editer
    CPU
    AMD Ryzen 9 3900X 12-
    Motherboard
    AMD AM4 ATX
    Memory
    32
    Graphics Card(s)
    RTX 470
    Monitor(s) Displays
    Benq SW240 Dell U213
    Screen Resolution
    1920X1200
    Hard Drives
    1 Tb SSD 2 Tb SSD 2Tb Hdd
    Mouse
    logi
    Internet Speed
    500 up and down
    Browser
    Firefox
    Antivirus
    Bitdefender Total Security
  • Computer type
    Laptop
    Manufacturer/Model
    XPS 14 9440
    Browser
    Firefox
    Antivirus
    Bitdefender Total
Rollback_Jockey said:
You may have a corrupt .PST file. Firstly back up your PST file Visit C:\Program Files\Microsoft Office\root\Office16 and run SCANPST and run a repair.
Click to expand...
Thanks I will run it again but I do so every few weeks befor racing up Outlook so that may not sort it but will see if it makes any changes 9
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Chilblast Photoe editer
    CPU
    AMD Ryzen 9 3900X 12-
    Motherboard
    AMD AM4 ATX
    Memory
    32
    Graphics Card(s)
    RTX 470
    Monitor(s) Displays
    Benq SW240 Dell U213
    Screen Resolution
    1920X1200
    Hard Drives
    1 Tb SSD 2 Tb SSD 2Tb Hdd
    Mouse
    logi
    Internet Speed
    500 up and down
    Browser
    Firefox
    Antivirus
    Bitdefender Total Security
  • Computer type
    Laptop
    Manufacturer/Model
    XPS 14 9440
    Browser
    Firefox
    Antivirus
    Bitdefender Total
John7 said:
I run download and that id When duplicates are downloaded.
Click to expand...

If ScanPST doesn't provide a fix, some other things to try:

1) Office Repair
Repair an Office application - Microsoft Support

2) idNet says they provide "Roundcube Webmail".
IDNet: Email Services

If you have access to your email on their server using a web client - Check your mail on the server and compare it to what Outlook has, before and after your do a Send/Receive. Could confirm that this is a sync problem.
 

My Computer

System One

  • OS
    Windows 10, Windows 11
    Computer type
    PC/Desktop
Thanks both of you, 2nd day been OK. Used SCANPST and will see if it returns before doing a repair install.
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Chilblast Photoe editer
    CPU
    AMD Ryzen 9 3900X 12-
    Motherboard
    AMD AM4 ATX
    Memory
    32
    Graphics Card(s)
    RTX 470
    Monitor(s) Displays
    Benq SW240 Dell U213
    Screen Resolution
    1920X1200
    Hard Drives
    1 Tb SSD 2 Tb SSD 2Tb Hdd
    Mouse
    logi
    Internet Speed
    500 up and down
    Browser
    Firefox
    Antivirus
    Bitdefender Total Security
  • Computer type
    Laptop
    Manufacturer/Model
    XPS 14 9440
    Browser
    Firefox
    Antivirus
    Bitdefender Total
Oh well trying a repair online install as its still doing it

John
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Chilblast Photoe editer
    CPU
    AMD Ryzen 9 3900X 12-
    Motherboard
    AMD AM4 ATX
    Memory
    32
    Graphics Card(s)
    RTX 470
    Monitor(s) Displays
    Benq SW240 Dell U213
    Screen Resolution
    1920X1200
    Hard Drives
    1 Tb SSD 2 Tb SSD 2Tb Hdd
    Mouse
    logi
    Internet Speed
    500 up and down
    Browser
    Firefox
    Antivirus
    Bitdefender Total Security
  • Computer type
    Laptop
    Manufacturer/Model
    XPS 14 9440
    Browser
    Firefox
    Antivirus
    Bitdefender Total
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