Unprotect Excel Sheet without password
A user protected a single sheet inside Excel .xlsx file and forgot the password. There are multiple ways to unprotect sheets without the password, below is just one of them. Please be aware this will not work if the whole Excel file is protected from opening (encrypted).
Emails missing in Outlook folders (MS Exchange Shared Mailbox)
A user is complaining that emails are missing from some folders in his secondary mailbox. The mailbox in question is another user's Office 365 mailbox attached via auto-mapping (by giving the first user full access permissions).
After a quick check, all affected folders appeared to have a "Filter applied" label showing in the bottom left of Outlook (instead of the number of items).
Windows 11 upgrade stuck on downloading 8%
Windows 11 upgrade initiated via Windows Updates gets stuck in the "downloading..." stage, and always on 8%. Rebooting the PC and restarting the update does not help, it starts downloading from 0, and gets stuck again at 8%.
Outlook crashes when trying to open a shared calendar
MS Office 365 Outlook with Exchange Office 365 account crashes when trying to open a shared or other user's calendar. Outlook closes and restarts with the following error logged in Windows Application Logs.
Event ID: 1000
Faulting application name: OUTLOOK.EXE, version: 16.0.15427.20210, time stamp: 0x62ed4990
Faulting module name: OUTLOOK.EXE, version: 16.0.15427.20210, timestamp: 0x62ed4990
Exception code: 0xc0000005
Fault offset: 0x00000000017d5891
Faulting process id: 0x3018
Faulting application start time: 0x01 d8bb8c591132e5
Faulting application path: C:\Proqram Files\MicrosoftOffice\root\Office16\OUTLOOK.EXE