Office 365 Outlook Hang When Adding Attachment

Good Day All

I have a question - Has anyone ever had this issue when using outlook , when adding an attachment , outlook will freeze and not respond for a while and then after waiting for a while will suddenly respond and work as normal

Things to note :

This is a modern device - i5 , 8gb RAM , SSD - Latest Office Build and Updated Win 10
No other apps open
Attachment size is about 250KB

Has anyone ever had this or know where to check or what to clean if need be ?

Note this is a random occurrence - Does not happen always

Any steps would be appreciated ?

- - - Updated - - -

I haven't done a office repair yet - Quick or Full
I haven't cleared the Outlook Cache - Not exactly sure which cache to clear as there are multiple sources when searched for via the internet
Only thing i have done is a simple disk cleanup

Hi ITGuy061

I don't have 365 but looking around , add-ins seem to be the most common cause for the delay.
I'm just going to copy\paste below: Step 5 you might want change a bit though.

1. Click the File tab. The Microsoft Office Backstage view opens.

2. Click Options; the Options dialog box appears.

3. Click Trust Center, then click Trust Center Settings.

4. In the Trust Center, click Add-ins.

5. Select or clear the options that you want.

Hi All

It seems the size doesnt play as much of a role as it does it with even small files ( around 250KB )

I did do the disk cleanup method

Just wanted to know if there are any other cleanups i can perhaps perform ?

My next options would be either re-create the outlook profile or do a full MS office repair

Thanks - Will try those as well

Hi All

I ran a Full Office Repair and a SFC SCAN

No further issues reported

Thanks for the assistance all