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Microsoft Excel (using the default 1900 Date System) cannot display dates before the year 1900, although this is not due to a two-digit integer being used to represent the year: Excel uses a floating-point number to store dates and times. The number 1.0 represents the first second of January 1, 1900, in the 1900 Date System (or January 2, 1904 ...
On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...
Month-day-year or day-month-year. If a number for a day is missing, date sorting is broken. Abbreviated months work too. The year must be on the end, and a number can not be used for the month. Either will break date sorting. Date sorting works correctly in the first 2 tables below. Years before 100 (for example, year 99) break sorting.
Unfortunately, the ability to sort by "From," "Subject," or "Date" is no longer supported if you use the New/Old style of inbox. If you want to sort your messages this way, switch to the Unified Inbox style .
So any day number prior to March 1, 1900 is incorrect. Access doesn't have the same bug, but to keep the dates compatible (at least after February 28/29, 1900), they start day 1 in Excel on December 31, 1899 instead of January 1, 1900 like in Access. The problem mostly goes away if you use 1904-based dates instead.
• Date - Oldest on top. • Unread - Lists your unread emails on top. • Read - Lists your read emails on top. • Starred - Lists your starred emails on top. • Attachments - Lists your emails containing attachments on top. Sort options order may vary - They often won't show up in the same order based on the content in your folders.
1. Click the Settings icon | select More Settings. 2. Click Filters. 3. Click Add new filters. 4. Enter the filter name, set the filter rules, and choose or create a folder for the emails.
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