Category: Miscellaneous

Excel cound not open file from network after Windows 10 Creators Update

Some users have reported an Excel-related failure that may appear after installing the Windows 10 Creators Update. After updating the system, some files cannot be opened in Excel for no apparent reason. Needless to say, everything worked well. Excel says

Verification / validation of email address

Occasionally we need to validate e-mail addresses without send a message to the recipient and wait for answer. For example, we can verify whether an email address given via a simple web form, is not a fake.

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